搜题请搜索小程序“爱下问搜题”
问题
单项选择题
货车在重车状态下，中、侧梁在枕梁间下垂的容许限度为（）mm。
A、50
B、80
C、100
D、120
答案
参考答案：B
选择题
一 Anything special in today's papers?
一 Yes. "Confidence is more important than gold" by Premier Wen _____ as a headline in many of today's newspapers.
A. is used
B. are used
C. has used
D. have used
查看答案
问答题 简答题
单向滚柱式离合器的结构特点是什么？
查看答案
