• Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt may be threaded into it.

    攻丝一个车出螺纹,以便装上螺钉螺栓

    youdao

  • Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt may be threaded into it.

    攻丝一个车出螺纹,以便装上螺钉螺栓

    youdao

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