短語(yǔ)詞組短語(yǔ)salt bearing rock series 含鹽巖系Bearing Grease Series 軸承潤(rùn)滑脂ore bearing rock series 含礦巖系bearing layer series 含氣層系coal -bearing rock series 含煤巖系top roller bearing SL series SL 系列上羅拉軸承oil -bearing horizons series 含油層系tapered roller bearing metric series 圓錐滾子軸承main oil bearing development series 主力含油層系 返回 bearing series