题目内容

The exhaust pipe must be gas tight throughout its entire length otherwise().

A. bilge water may enter the exhaust pipe
B. entry of air may cause vapor lock
C. carbon monoxide may enter the interior of the vessel
D. the joint gaskets may be blow

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甲醇循环量过大对系统有何影响?

哪种加工类型更适合多品种生产?()

A. 装配线(AssEmBly)
B. 单件小批生产(joB-shop)
C. 批量生产(BAtCh)
D. 连续生产(Continuous)
E. 项目(ProjECt)

刚性支柱和支吊架杆的角度公差是()

A. ±2°
B. ±2.5°
C. ±1.5°
D. ±3°

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