3332| 11
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316l材料,有真空度要求,內經170mm這個裝配體好加工不? |
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本版積分規(guī)則
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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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