基本解释滑動軸承 逕曏滑動軸承词组短语短語plain journal bearing width 滑動軸承寬度plain journal bearing inside diameter 滑動軸承孔逕diametral plain journal bearing clearance 滑動軸承直逕間隙thrust journal plain bearing 逕曏止推滑動軸承plain journal bearing更多词组