题目内容

水管锅炉

A. Fire-tube boiler.
B. Water-tube boiler.
C. Exhaust boiler.
D. Scotch boiler

查看答案

搜索结果不匹配？点我反馈

更多问题

电焊机

A welding machine.
B. A drilling machine.
C. A grinding machine.
D. A cutting machine.

切割机

A welding machine.
B. A drilling machine.
C. A grinding machine.
D. A cutting machine.

漏水了

A. It is leaking.
B. It is broken.
C. It is filled with oil.
D. It is filled with sludge.油渣

把它焊接起来

A. Weld it up.
B. Grind it.
C. Disassemble and clean it.
D. Send it to the shipyard.