3463| 12
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一些螺紋的參數(shù)求助 |
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點(diǎn)評(píng)
手里的都試玩了,網(wǎng)上買了一大堆。還是不對(duì),客戶只說是給某gun管上擰,gun口上難道還有啥特殊螺紋?
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點(diǎn)評(píng)
1/4部分去刃口
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點(diǎn)評(píng)
買不到18的螺母,先買一個(gè)20的螺母試試吧,牙規(guī),螺母都買了。
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