欢迎来到牛牛题库网牛牛题库官网

注册

全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶动力装置

单项选择题

The crank-room cover should not be opened until at least （） minutes after the engine stops.

A.10
B.15
C.20
D.30

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

The crankcase cover should never be allowed to open for investigation when （）

A.the engine stops
B.the engine is running
C.you repair the engine
D.overhauling the engine

单项选择题

The crankcase can not be opened （）the parts have been cooled down.

A.if
B.as
C.unless
D.when

单项选择题

The crank throws are displaced from （） to obtained the same number of degrees between the different crank throws.

A.one another
B.the other
C.each other
D.each others

微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

关注
顶部

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题