题目内容

You always up early on Monday.

A. wake
B. wakes
C. do wakes
D. to wake

查看答案
更多问题

The dog always outside.

A. run
B. runs
C. running
D. do run

Thenominaldiameterofaboltisrepresentedby"d",andthediameteroftheholesonthetwopartssupposedtobejoinedisrepresentedby"d0",thenwhichoneiscorrect?螺栓的公称直径用d表示,两个薄的连接件上的通孔直径用d0表示,两个直径关系正确的是:

A. d=d0
B. d>d0
C. d

螺栓连接中,共有标准件()件。

A. 2
B. 3
C. 4
D. 5

In the stud joint, the screw end should be completely screwed into the threaded hole of thick parts.双头螺柱的连接中,旋入端要完全旋入厚零件的螺纹孔。

A. 对
B. 错

答案查题题库