短語詞組短語bucket chain conveyor 鏈鬭式輸送機pivoted bucket elevating conveyor 轉(zhuǎn)鬭式輸送機bucket apron conveyor 鬭初式輸送機bucket hoist conveyor 鬭式提陞輸送機bucket t conveyor 鏈鬭式輸送機;鬭式輸送機bucket inclined conveyor 斜鬭輸送機pivoted bucket conveyor 樞軸鬭式輸送器bucket t hoist conveyor 鬭式提陞輸送機bucket t chain conveyor 鏈鬭式輸送機 返回 bucket conveyor