将全部有头螺钉加热并拧下来。
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
Parts with threads used for joining and fastening are called screw fasteners. The most widely used components as screw fasteners are bolts, double screw bolts, screws, nuts, washers.
锁定头的螺钉与传统螺钉有特别不同之处。
Locking head screws have some peculiar differences from conventional screws.
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