2841| 5
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有什么材料耐高溫,耐磨的,滾輪在700-1000溫度下滾動,一下就磨爛了 |
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小黑屋|手機(jī)版|Archiver|機(jī)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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