... 旁通管路by-pass line 抽气封口接头pumping stem 真空限流件limiting conductance ...
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pumping stem
抽干
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Mitt Romney is nice, says Keene, but nice doesn't really get your heart pumping, and some distrust his switch on issues like abortion and stem cell research.
NPR: Thompson, Potential GOP Force, in New Meetings
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