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【简答题】
产生渗透现象的必备条件为____,____。
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皮皮学刷刷变学霸
举一反三
【单选题】1151差压变送器采用可变电容作为敏感元件，当差压增加时，测量膜片发生位移，于是低压侧的电容量（），高压侧的电容量（）。
A.
增加、增加
B.
减少、增加
C.
增加、减少
D.
减少、减少
【单选题】Though we don't know what is discussed, yet we can feel the topic _______. [ ]
A.
had changed
B.
will change
C.
was changed
D.
has been changed
【简答题】1151差压变送器采用可变电容作为敏感元件，当差压增加时，测量膜片发生位移，于是低压侧的电容量()。
【单选题】To get a better view of the stage, _________________ .
A.
our seats had to be changed
B.
we had to change our seats
C.
our seats were changed
D.
our seats will be changed by us