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0.025mm,0.030mm鍍錫合金絞線生產(chǎn)的問(wèn)題.
這個(gè)生產(chǎn)時(shí)有問(wèn)題嗎?????????
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這個(gè)生產(chǎn)時(shí)有問(wèn)題嗎?????
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單根斷絲,整股斷線,米數(shù)做不長(zhǎng)
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