一枚有切割的螺纹和宽头的金属钉，可以用螺丝刀拧入以作为紧固物，尤指。
A metal pin with incised threads and a broad slotted head that can be driven as a fastener by turning with a screwdriver, especially.
一枚有切割的螺纹和宽头的金属钉，可以用螺丝刀拧入以作为紧固物，尤指。
A metal pin with incised threads and a broad slotted head that can be driven as a fastener by turning with a screwdriver, especially.
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