英语词汇“prover ball or piston”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	prover ball or piston
释义	prover ball or piston 🌏球式或活塞式校准装置
随便看	wetland ecological water requirement wetland ecology wetland eco-restoring project wetland ecosystem wetland eco-system wetland ecosystem health wetland ecosystems wetland ecosystem service wetland ecosystem services Wetland ecosytem wetland ecotourism wetland eco-tourism wetland education wetland eeo-tourism wetland emergent macrophytes wetland environment wetland enzyme activity wetland evaluation wetland evolution wetland extraction wetland fauna and flora wetland fishery wetland fluctualing zone wetland fomation of land wetland forest