短語詞組短語main thrust ball bearing 主推力球軸承oriented thrust ball bearing 四點(diǎn)接觸向心推力軸承engine thrust ball bearing 止推滾珠軸承;止推球軸承;止推滾珠plane thrust ball bearing 平面推力球軸承Thrust ball bearing valve 推力滾動(dòng)軸承thrust ball bearing contact 球軸承接觸end thrust ball bearing 止推滾珠軸承SBC Thrust Ball Bearing 推力球軸承 返回 thrust ball bearing