英语词汇“vent and test cock”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	vent and test cock
释义	vent and test cock un.通气和试验旋塞；🌏放气和试验旋塞
随便看	excavation prospecting excavation protection excavation quantities excavation retaining excavation retaining and protecting excavation roadway excavation robot excavations excavation scheme Excavation section excavation sequence excavation setting-out excavation setting-out surveying excavation shoring excavation sign excavation simulation excavation sinkage excavation slope excavation speed excavation-stability condition excavation stake excavation station with PBA technique excavation step excavation step by step excavation steps simulating