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问题 多项选择题

脱戌烷塔氮气压力气密合格后，下列说法正确的是（）

A、回流罐上氮气管线用盲板盲死

B、从供氢系统引入氢气进行气密

C、引入低压分离器的余压进行气密

D、气密合格后通过脱戌烷塔底部进行泄压排放

答案

参考答案：A, C, D

选择题

— Surprise! I can't believe the boss wants to ______ with him. And I saw by myself the

   boss______ with him warmly.

— Tell you what. Just because the young man has ______.                                                                                                                                     [ ]

A. make a friend; shook hands; no brains

B. make friend; shook his hand; brains

C. make friends; shook hands; a good brain

D. make friends; shook his hand; a brain

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单项选择题

肺心病右心衰竭时，应用利尿剂宜

A．大量间断用药
B．小量持续用药
C．大量用药
D．小量间断用药
E．大量间断用药后改用小量持续用药
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