Your mother is sleeping. You'd better _________. [ ]

A. not wake up her

B. not to wake up her

C. not wake her up

D. not to wake her up

SF₆气体处理选用的真空泵其功率等技术参数应能满足气室抽真空的最低要求，（）应与被抽真空的气室大小相匹配。

A.管径大小

B.管径强度

C.管道长度

D.接头口径