高級搜索 輸送機(jī)
-
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)語和符號······172.1 術(shù)語······172.2 符號······183 主要參數(shù)······3
GB50431-2020······11 總則······162 術(shù)語和符號······172.1 術(shù)語······172.2 符號······183 主要參數(shù)······3