短語詞組短語vertical screw type conveyer 垂直螺旋輸送機helical screw pulp conveyer 螺旋紙漿傳送器screw coal conveyer 螺旋式輸煤機two -screw w conveyer 雙螺旋輸送機screw conveyer trough 螺旋輸送機底槽vertical screw conveyer 立式螺旋輸送器Discharge screw conveyer 出堿螺旋輸送機helicoid screw conveyer 螺旋運輸器paddle screw conveyer 葉片式螺旋輸送器 返回 screw conveyer