rotary hub旋转轴
rotaryadj.旋转的n.旋转式机器;环形交叉路
rotary gas-gas heater回转式烟气换热器
rotary piston gas meter旋转活塞式气表
rotary indexing fixture旋转式分度夹具
Rotary drip dry control旋转式滴水干控制器
rotary ironing calender旋转式烫轧机
rotary corner reflector旋转角反射器
rotary-cup oil burner旋转喷注燃油器