rotary rod旋转杆
rotaryadj.旋转的n.旋转式机器;环形交叉路
rotary offset machine轮转胶印机
rotary scoop trencher轮斗式挖沟机
rotary group selector旋转式选组器
rotary heat exchanger旋转式热交换器
rotary drum fermentor转鼓式发酵器
rotary vane type pump回旋叶片式泵
rotary cutting veneer镟切单板
Rotary magnetic field旋转磁场
rotary feed reservoir旋转给料斗
rotary central office旋转制电话局