短語詞組短語vertical screw type conveyer 垂直螺鏇輸送機(jī)helical screw pulp conveyer 螺鏇紙漿傳送器screw coal conveyer 螺鏇式輸煤機(jī)two -screw w conveyer 雙螺鏇輸送機(jī)screw conveyer trough 螺鏇輸送機(jī)底槽vertical screw conveyer 立式螺鏇輸送器Discharge screw conveyer 出堿螺鏇輸送機(jī)helicoid screw conveyer 螺鏇運(yùn)輸器paddle screw conveyer 葉片式螺鏇輸送器 返回 screw conveyer