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內(nèi)螺紋是用小車(chē)刀車(chē)出來(lái)的,,還是車(chē)床上裝絲錐做? |
Re: 內(nèi)螺紋是用小車(chē)刀車(chē)出來(lái)的,,還是車(chē)床上裝絲錐做?
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Re: 內(nèi)螺紋是用小車(chē)刀車(chē)出來(lái)的,,還是車(chē)床上裝絲錐做?
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Re: 內(nèi)螺紋是用小車(chē)刀車(chē)出來(lái)的,,還是車(chē)床上裝絲錐做?
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Re: 內(nèi)螺紋是用小車(chē)刀車(chē)出來(lái)的,還是車(chē)床上裝絲錐做?
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