常見例句雙語例句The failure mechanism of journal bearing of roller cone bit is analyzed, the failure type is adhesive wear, and main factors affecting the adhesive wear are analyzed.分析了牙輪鉆頭滑動軸承失效的機理，論證了牙輪鉆頭滑動軸承失效形式主要為粘著磨損，分析了影響軸承粘著磨損失效的主要因素。lib.swpu.edu.cn 返回 cone type roller bearing