题目内容

纵弯褶皱作用中弯流作用主要特点

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弯滑与弯流褶皱作用

正交剖面

因为构成力偶的两个力满足F= - F’，所以力偶的合力等于零。

A. 对
B. 错

He must be_____(mental) disabled. Lots of rescue workers were working around the clock,_(send) supplies to Yushu, Qinghai province after the earthquake. On Sunday morning in August I went to local music festival.I left it early because I had an appointment_(late) in the day. It is easy for him to make up_ mind and also easy to change it. _is known to all that the time we can use is limited. He feels it his duty (help) others. The temple in bad condition needs_(repair). Do not put off what can be done today_tomorrow. After the flood Mr.Deng was as poor as a church _. I can send a message to Kenya whenever I want to, and _____ gets there in almost a second.