2844| 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(dòng),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(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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