正确答案: D

A+B

题目：燃气动力装置是指（）。

查看原题 查看所有试题

学习资料的答案和解析：

[单选题]在船上，拆下来的增压器转子应该用（）浸泡清洗。

热水+少量洗衣粉

[单选题]Crankshafts of medium speed engines are （） from a single piece of steel.

almost invariably solid forged

[单选题]During the inspection, the starting air valves should be closed （） the engine from turning.

to prevent

[单选题]If diesel oil in this tank is used, the （） of the oil must not exceed 120 degree F.

temperature

[单选题]The starting air system usually has （） to prevent starting if anything is not in order.

interlocks