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沒(méi)有誰(shuí)說(shuō)過(guò)只能‘玩大家伙才可以生存’,, |
點(diǎn)評(píng)
軌道這東西,,輕型的,用工字鋼,,或H型鋼,,都沒(méi)有問(wèn)題,重型的,,要自己設(shè)計(jì)斷面,,或用厚壁H型鋼進(jìn)行加固,都可以
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點(diǎn)評(píng)
這只是一個(gè)設(shè)備的圖,其它附屬東西還有一大堆呢,,
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