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帽螺钉 [mào luó dīng]
cap screw
- 他用钳子扭松了接连油箱与发动机的油管上的螺钉帽。
With a wrench he loosens the nuts which fuse the fuel line between tank and engine. - 攻丝是在一个孔中车出螺纹，以便装上有帽螺钉或螺栓。
Tapping is the process of cutting a thread inside a hole so that a cap screw or Bolt may be threaded into it. - 攻丝是在一个孔中车出螺纹，以便装上有 帽螺钉 或螺栓。
Tapping is the process of cutting a thread inside a hole so that a cap screw or Bolt may be threaded into it.
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