rotary hoe旋转锄rotaryadj.旋转的n.旋转式机器；环形交叉路rotary hunting connector寻线机rotary wheel-type rake指轮式搂草机rotary vacuum evaporator旋转真空蒸发器rotary spout distributor旋转分配器rotary combustion engine双缸转子内燃机rotary experiment design多元旋转组合试验设计rotary valve stem gasket旋转阀杆垫Rotary inverted pendulum旋转倒立摆rotary piston type motor旋转活塞式电动机rotary ringing generator旋转铃流机