The union kept plans alive to stage new strikes.
查看答案
The union continued to seek dialogue with the authorities.
The plot is fascinating but the dialogue needs improvement.
Their dialogue was interrupted by a riot outside.
下列有关微孔滤膜的叙述错误的是( )
A. 微孔滤膜孔径小
B. 无菌过滤应采用um孔径的滤膜
C. 不影响药液的pH
D. 滤速慢,易堵塞
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