hermetic seal
短語(yǔ)詞組
- hermetic or seal 氣密性
- hermetic c seal 密封
- hermetic -seal relay [電]封閉型繼電器
- hermetic shaft seal 軸頸密封
- hermetic seal furnace 氣密封爐
- hermetic seal machine 氣密封機(jī)
- hermetic seal form 密封的形式
- hermetic seal leakage 密封泄漏
- high pressure hermetic seal 加壓密封 返回 hermetic seal