[機(jī)械工程 照明 加熱] 在壓力容器中用安全裝置封口 gate closure type safety device: 門式安全裝置oil and water-pressure safety device: 油及水壓力安全裝置pressure vessels: 壓力容器from vessels to safety valves: 由容器至安全閥device; safety: 安全裝置下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
