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双头螺柱是各种机器常用的紧固件,但在机器维修拆卸螺母时,经常会把螺母带双头螺柱一起旋出,给机器安装增加了困难。
Studs are commonly used fasteners for various machines. However, when the machine is being used for dismantling the nuts, the studs can often be unscrewed together with the studs, which makes the installation of the machine more difficult.