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问题 问答题 简答题

轴封冷却器疏水U形管为什么要注水？

答案

参考答案：

防止轴封蒸汽从疏水U型管漏出及轴封压力低时漏入真空

选择题
The boss suggested _________ a meeting and it suggested that he _________ in our plan.
A．to hold; was interestedB．holding; was interested
C．holding; should be interestedD．should hold; be interested
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名词解释

渗透脆性
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