10044| 11
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為什么不銹鋼做的鍋爐老是在焊逢裂開? |
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點評
我做的這種是沒壓力的,主要是給產品退火,好進一步加工制作
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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