[機(jī)械工程 照明 加熱] 輥子或滾針軸承; 滾柱或滾珠形軸承 needle roller bearing: 滾針軸承needle roller bearing with variation: 游隙可調(diào)的滾針軸承needle roller bearing with variation in: 游隙可調(diào)的滾針軸承needle roller thrust bearing: 推力滾針軸承needle(type) roller bearing: 滾針軸承下載手機(jī)詞典可隨時隨地查詞查翻譯
