短語(yǔ)詞組短語(yǔ)bucket chain conveyor 鏈斗式輸送機(jī)pivoted bucket elevating conveyor 轉(zhuǎn)斗式輸送機(jī)bucket apron conveyor 斗初式輸送機(jī)bucket hoist conveyor 斗式提升輸送機(jī)bucket t conveyor 鏈斗式輸送機(jī);斗式輸送機(jī)bucket inclined conveyor 斜斗輸送機(jī)pivoted bucket conveyor 樞軸斗式輸送器bucket t hoist conveyor 斗式提升輸送機(jī)bucket t chain conveyor 鏈斗式輸送機(jī) 返回 bucket conveyor