rack-type jack

jack ... rack-operated jack 齿条小齿轮起重器 rack-type jack 齿条式起重器, 齿杆式千斤顶 rail jack 起道机 ...

什么意思_英语rack... ... rack-type car 棚加车 rack-type jack [机] 齿条启动器 rack-type shaving 齿条式剃刀剃齿法 ...