高級(jí)搜索 輸送機(jī)
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GB50431-2020：帶式輸送機(jī)工程技術(shù)標(biāo)準(zhǔn)
GB50431-2020······11 總則······162 術(shù)語(yǔ)和符號(hào)······172.1 術(shù)語(yǔ)······172.2 符號(hào)······183 主要參數(shù)······3
GB50431-2020······11 總則······162 術(shù)語(yǔ)和符號(hào)······172.1 術(shù)語(yǔ)······172.2 符號(hào)······183 主要參數(shù)······3