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設(shè)備的靜載荷和動(dòng)載荷怎么計(jì)算? |
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點(diǎn)評(píng)
水平 下壓 上拔 這些都不提嗎
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點(diǎn)評(píng)
請(qǐng)問設(shè)備動(dòng)載荷由哪個(gè)專業(yè)提供,有沒有手冊(cè)或?qū)I(yè)書籍
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