英语词汇“upper valve seat”的翻译、意思、用法、释义-英汉汉英双解词典

单词	upper valve seat
释义	upper valve seat 上端阀座
随便看	key transport algorithm key transport module key transport protocol key trapping key travel key tree key trench key trial key trumpet key tube key tuple key tuple file key turbomachinery technology key-turner keytype key type key type can opener key-type can opener key type clutch key-type clutch key-type connection key-type connection using sleeve key-type connection using sleeve, tapered key type drill chuck key-type drill chuck