短語詞組短語axle shaft oil seal 半軸油封Rotary Shaft Lip Seal 旋轉(zhuǎn)軸承唇形密封圈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