正确答案: D

三管轮

题目：需拆检排污管系时，由＿分工负责。

解析：D

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举一反三的答案和解析：

[单选题]Take down ___ (G旗).

Flag “G”

[单选题]If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will .

produce excessive speed response to a load change

[单选题]热敷有助于______。

以上都对

[单选题]双风管空调系统的优点不包括( )。

可增大送风量

[单选题]The power factor of an AC generator operating singularly is determined by the_______ .

connected load

[单选题]The plunger in a jerk pump is rotated until the release port is uncovered If the port remains uncovered all of the time, which of the listed operations will occur?

No fuel will be delivered

[单选题]对油轮，为防止在油舱内油面上方形成可引起爆炸的混合气体，要充添惰性气体，使舱内氧气含量降至______。

8%以下

[单选题]下列哪种船舶应用适合当时环境和情况的一切有效手段判断是否存在碰撞危险？________。

每一船舶

[单选题]亚共析钢的室温平衡组织是( )。

F+P