        
  
2021/1/18
                           7 + 7    2 + 2                                                         7 + 7    2 + 2                       7                14                                                                                                                                                                                                1.                   2.                                                  3.                                           1       4.                                                                  5.                             6.                                              7.                                                                                1.                       2.                                                     3.                                                                                         1.                            2.                       3.                                   4.                                       5.                              15      250mg/L  500mg/L         15           6.                              250mg/L  500mg/L                1      250mg/L  500mg/L            7.           250mg/L  500mg/L         30        15           8.         1               1            2000mg/L                       500mg/L                   30         9.                                     500mg/L  1000mg/L         75%                         10.             500mg/L  1000mg/L         75%            30                             500mg/L  1000mg/L              30             500mg/L  1000mg/L               2                                                                                                                                          1.                                                     2.                                              3.                                                                              1                         N95   4.                              5.                       1         1        6.                                                                         24                                            N95                          
 
      
 
 
  
 
2014-2019 ©                       蒙ICP备11000440号-2