rotary jet旋转喷射器rotaryadj.旋转的n.旋转式机器；环形交叉路rotary air curtain旋转风幕rotary drum grader滚筒分级机rotary speed mixer转筒式快速拌和机,转鼓式搅拌机rotary brush drill旋转刷式播种机rotary pasteurizer旋转式巴氏杀菌器rotary bran grader旋转式麸皮筛选机rotary blade mower旋转刀片割草机rotary car tippler转动翻车机rotary plow feeder转动犁式给矿机rotary accelerator回旋加速器