2. 医药卫生
  3. 用于除菌过滤的微孔滤膜的孔径是A:0.22m B:0.22cm C:0.22dm D:0.22mm E:0.22μm

用于除菌过滤的微孔滤膜的孔径是A:0.22m B:0.22cm C:0.22dm D:0.22mm E:0.22μm

admin2020-12-24  3
问题 用于除菌过滤的微孔滤膜的孔径是
选项 A:0.22m
B:0.22cm
C:0.22dm
D:0.22mm
E:0.22μm
答案E
解析
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