1385| 7
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廠房承受重量每平方500kg,,機(jī)器重量2.5噸,大小1.4MX0.6M接觸面積,,需要加多厚的鋼板? |
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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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