短語(yǔ)詞組短語(yǔ)rolling -contact bearing 滾動(dòng)接觸軸承;骨碌接觸軸承;滾動(dòng)接觸;滾動(dòng)軸承radial rolling -contact bearing 徑向滾動(dòng)接觸軸承 返回 rolling contact bearing