follow up valve

valve 阀门专业词汇A-Z ... foil-type safety valve 箔式安全阀 follow-up valve 随动阀 foot controlled valve 脚控阀门 ...

“后续工作”用英语怎么说？ -英语-外语-天涯问答 ... Folly 荒唐事 ... follow-up valve 从动阀 follow-up 跟踪 ... ...