stem seal
短語詞組
- Stem -Seal-Ring 閥桿密封圈
- valve stem seal 氣門油封;密封活塞桿
- STEM SEAL VALVE 氣門油封
- lower stem seal 下閥桿密封
- stomvery single stem seal 本躰閥桿密封
- STEM PACKING or SEAL 填料或密封
- Stem Seal & Type 桿密封材質(zhì)及類型
- body stem seal 本躰閥桿密封;本躰閥桿彌縫;閥桿密封
- guide vane stem seal 導葉軸密封 返回 stem seal