单项选择题
If kinking results while wire rope is being coiled clockwise,you should().
A.coil it counterclockwise B.not coil it C.take a turn under D.twist out the kinks under a strain
单项选择题 How is the size of chain determined().
单项选择题 How are riveted lap joints made watertight().
单项选择题 Coiling new rope against the lay,bringing the lower end up through the center of the coil,then coiling with the lay,in order to remove the kinks,is known as().