短語詞組短語rolling -contact type regulator 滾動觸點式調(diào)整器Rolling -contact Bearings 滾動軸承rolling g contact joint 滾動摩擦接合rolling g contact 滾動接觸radial rolling -contact bearing 徑向滾動接觸軸承Rolling contact fatigue strength 滾動接觸疲勞強度rolling contact gear 滾動接觸齒輪系sliding -rolling contact 滑滾接觸 返回 rolling contact