单项选择题X 纠错

The shaft and spare parts（） should be well greased in order to avoid corrosion.

A.in the store room
B.in the cylinder
C.in the scavenge air box
D.in the water box

参考答案：
进入题库练习
查答案就用赞题库小程序 还有拍照搜题 语音搜题 快来试试吧
无需下载 立即使用

你可能喜欢

单项选择题

Water level controllers of the boiler must be kept operable to protect external steam-using plant from water “（）” danger.

A.carry off
B.carry down
C.carry on
D.carry over

点击查看答案进入题库练习

单项选择题

The （） of the gravity disc is too big It causes oil to flow through the water outletWe changed the disc and no oil is found in the water outlet.

A.gravity
B.diameter
C.circumference
D.cylinder

点击查看答案进入题库练习

单项选择题

The designed （） is 20 tons per day, but the fresh water generator can only distil 15 tons at present.

A.displacement
B.weight
C.power
D.capacity

点击查看答案进入题库练习

单项选择题

The defective places in the furnace （） with fire bricks.

A.should be paved
B.should be cleaned
C.should be dismantled
D.should be welded

点击查看答案进入题库练习

单项选择题

After fitting back in place the gear wheels, don’t forget to （） them.

A.fulfill
B.eliminate
C.grease
D.bend

点击查看答案进入题库练习
赞题库

赞题库-搜题找答案

（已有500万+用户使用）


  • 历年真题

  • 章节练习

  • 每日一练

  • 高频考题

  • 错题收藏

  • 在线模考

  • 提分密卷

  • 模拟试题

无需下载 立即使用
手机版 电脑版

版权所有©考试资料网(ppkao.com)All Rights Reserved