The device that allows a floating ship to_爱下问搜题

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问题单项选择题

The device that allows a floating ship to sway without bending the marine riser system is the（）.

A.yaw joint

B.sway joint

C.slip joint

D.flex or ball joint

答案

参考答案：D

选择题

In general, graduates who speak good English will have more chances than _____ who don't. [ ]

A. that

B. these

C. those

D. what

填空题

香蕉生产上主要用（）和（）作为种苗。