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焊接前用氣割火焰加熱,加熱后氧化皮脫落清掃,加熱后對焊接還有預(yù)熱作用! |
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Archiver|手機版|小黑屋|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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