2877| 11
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如何知道彈簧的型號規(guī)格,,非標的話定做成本高嗎 |
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點評
這樣靠譜嗎,、不懂工藝,,也不是很了解行情
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點評
手上只有卡尺,,不太會畫啊
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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,,浙公網安備33038202004372號 )
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