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【单选题】
在铰销连杆衬套时，应边铰销边试配，当铰销到用手掌能将销子推入衬套（）时，应停止铰销。
A.
1／3～2／5
B.
1／4
C.
1／2～1
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】A Paperless Classroom Imagine a classroom missing the one thing that’s long been considered a necessary part to reading and writing—paper. Not notebooks, no test paper. Nor are there any pencils or pe...
A.
A paperless classroom is a good way to save paper.
B.
Online test is possible in a paperless classroom.
C.
The computer in a paperless classroom is very reliable.
D.
Teachers can give the exam results on the network.