呼吸机报警装置的关键部分是_______。

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问题填空题

答案

参考答案：压力监测

选择题

The overseas Chinese scientist made another wonderful discovery, ___________ of great value to study AIDS.

A．which I think it is

B．which I think is

C．I think it is

D．I think is

判断题

车体支承装置是指车体底架与构架之间的弹性联结装置。