stepped ramp type

... stepped ramp type,阶梯斜坡型 stepmotor actuator,步进电机执行机构 stereocomparator,立体坐标量测仪 ...

 stepped ram type

阶梯状斜坡的英文 ... 阶梯状侵蚀面 stepped erosion surface 阶梯斜坡型 stepmotor actuator; stepped ramtype 阶梯状断面油环 stepped oil control ring ...

 stepmotor actuator

... 阶梯状侵蚀面 stepped erosion surface 阶梯斜坡型 stepmotor actuator; stepped ramtype 阶梯状断面油环 stepped oil control ring ...