rotary jet旋转喷射器rotaryadj.旋转的n.旋转式机器；环形交叉路rotary motor pump回转式马达泵rotary lawn mower旋刀式草坪修剪机rotary oil burner旋转式油烧嘴rotary pile drill旋挖钻机rotary servomotor旋转伺服马达rotary disc meter转盘式流量计rotary tile press回转压瓦机rotary disc dryer盘式干燥机rotary pea washer回转式豌豆洗涤机rotary drum drier转鼓干燥器