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內(nèi)螺紋鋼管是如何加工的? |
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點(diǎn)評(píng)
對(duì)頭
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點(diǎn)評(píng)
有沒(méi)有照片看看,,最大長(zhǎng)度,,最小螺紋,Tr,?謝謝,!
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),,浙公網(wǎng)安備33038202004372號(hào) )
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