题目内容

对于V带传动，一般要求包角α≥ 120度。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

p__________likely to become or be

e__________to insert into the same envelope or package

c__________made to order

r__________mention of a person, an occurrence or a situation