metal seal meaning in English

金属密封件

Specification for ceramic . metal seals used in microwave tubes
微波管用陶瓷.金属封接件规范
Glass - metal sealed heat - pipe evacuated solar collector tubes
玻璃-金属封接式热管真空太阳集热管
Specification for glass for metal sealing
金属封接用玻璃规范
Metal seal connections of vacuum gauges
金属密封真空规管接头
Standard specification for dumet wire for glass - to - metal seal applications
玻璃与金属密封装置用杜美丝

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