题目内容
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：
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螺栓连接中，共有标准件（）件。
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。
The taper angle at the bottom of the threaded hole should be 90 degrees when drawing. 螺纹孔底部的锥角，绘图时应该画成90度
1.Wendy walked along the to the house.2.The bus stopped, and he at the station.3.It took me weeks to the new system.4.Ellis Island has become one of American’s most popular tourist .5. It’s an old car,but in condition.6.I have such a busy this semester. I barely have any free time.7.I’ve a single room for you at Jinling Hotel. Enjoy ypur stay.8.Can you go to the later? I need some new jeans.9.Jenny the car at the side of the road.10.Oh no! We our plane.We willhave to wait for the next one!.
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