短语词组短語axle shaft oil seal 半軸油封Rotary Shaft Lip Seal 鏇轉軸承脣形密封圈drive shaft grease seal 主動軸潤滑脂密封Shaft oil seal 前油封shaft -seal diaphragm 軸封膜片shaft end seal 軸封front shaft oil seal 前輪油封 返回 shaft seal