基本解釋[經(jīng)濟(jì)學(xué)]樞軸鬭式輸送器詞組短語短語pivoted bucket elevating conveyor 轉(zhuǎn)鬭式輸送機(jī)pivoted bucket conveyor更多詞組專業(yè)釋義經(jīng)濟(jì)學(xué)樞軸鬭式輸送器