1879| 15
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這種樣式不銹鋼針頭是怎么加工的,500支成本預(yù)計在多少;針頭內(nèi)徑從0.5-3.2不等 |
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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