[機(jī)械工程 照明 加熱] 中間帶有浮動(dòng)環(huán)的滾柱軸承 rings for bearings: 軸承滾珠圈roller bearings: 滾子軸承ball rings for bearings: 軸承用滾珠antifriction roller bearings: 耐磨滾動(dòng)軸承intermediate roller: 中間輥; 中間墨輥下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯