rotary jet旋转喷射器rotaryadj.旋转的n.旋转式机器；环形交叉路rotary drum feeder转鼓加料器rotary roller pump回转滚筒泵rotary disk column转盘塔rotary crop shears滚筒式切头剪rotary beam aerial射束旋转天线rotary transformer旋转变压器,旋转变量器rotary draw bender旋转式拉弯机rotary drum filter转鼓过滤机rotary piston pump旋转活塞泵rotary coal dumper翻车机