英语词汇“Sadd valve”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	Sadd valve
释义	Sadd valve 双口鸭嘴活瓣
随便看	bridge-router Bridge/Router bridge-routers bridger p Bridger Peak bridgers Bridgers bridge rubber bearing bridge ruler bridge sequence bridge set bridge-set Bridges,Fixed bridge shallow foundation protection bridge shape bridge-shape beam bridge-shaped conjunctival flap transplantation bridge shaped contact Bridges bridge safety bridge safety alarm bridge safety system bridge sampling gate bridges and culverts bridges and roads construction