正确答案: D

Ⅱ＋Ⅳ＋Ⅴ＋Ⅵ

题目：机械调速器的特点是（）。Ⅰ.灵敏度高Ⅱ.结构简单Ⅲ.可实现恒速调节Ⅳ.精度较差Ⅴ.维修方便Ⅵ.利用飞重离心力直接拉动油门

解析：D

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学习资料的答案和解析：

[单选题]The carpenter is directly responsible to ________.

the chief officer

[单选题]Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air conditioning system?

Cooling the air to a point below dew point, then reheating it

[单选题]当听到顺桨口令后，各桨手身体应先（）

后仰

[单选题]下列哪项不是关节脱位的特有体征( )。

肿胀和皮下瘀血

[单选题]用于控制船员职业技术素质和值班行为的国际公约是______。

STCW78公约

[单选题]I was told you’d like to order some（物料）______in this port.

stores