词汇	刹车活塞
释义	刹车活塞 brake piston
随便看	relation character relation class Relation,Client-Staff Relation Coefficient relation communication Relation,Community Relation,Community-Institutional relation completeness relation composite relation composition Relation computing model relation concept relation condition relation conefficient relation constraint relation contract relation curve relation data relation database relation-database relation data base relation data-base relation database management relation database management system relation data base management system