螺栓尖端
Bolt tip
以上为机器翻译结果,长、整句建议使用 人工翻译 。
一与外空心螺钉的盲孔道相匹配的内螺栓,内螺栓的尖端部位亦为锥形,尾部设有螺纹和供握持用的四方体。
The top part of one inner bolt which matches the blank hole channel of the outer hollow screw is also conical. The rear is provided with a thread and a tetragonal body for holding.
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