短語詞組短語rotating frozen seal 鏇轉(zhuǎn)軸冷凍密封spring rotating mechanical seal 彈簧鏇轉(zhuǎn)式機(jī)械密封rotating shaft seal 廻轉(zhuǎn)軸密封;轉(zhuǎn)軸密封rotating g seal ring 鏇轉(zhuǎn)密封環(huán)rotating mechanical seal 鏇轉(zhuǎn)式機(jī)械密封spring rotating machanical seal [機(jī)]彈簧鏇轉(zhuǎn)式機(jī)械密封rotating bearing seal 轉(zhuǎn)動軸承密封rotating shaft seal with lip 帶塵罩的軸密封rotating seal ring 鏇轉(zhuǎn)密封環(huán);動密封環(huán);動環(huán) 返回 rotating seal