片语
grooved drum friction wheel槽形摩擦轮
grooved drum presser foot嵌线压脚
winding drum卷绕滚筒;缠索轮;[纺] 提升绞筒
grooved drum iron roll有槽铸铁轧辊
grooved drum spring base带槽的弹簧底板
grooved drum shaft槽轴
grooved drum drum winder槽筒式络筒机
grooved d drum槽纹圆筒
grooved drum roll凹槽辊
Steel plate grooved drum钢板槽筒