英语词汇“upper valve”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	upper valve
释义	upper valve 上置式气门
随便看	binding rule bindings binding screw binding sealing machine binding-site binding site binding sites binding-sites binding slip bindings of duties bindings-over binding species binding state binding stiff binding strake binding strength binding strength of clay binding strip binding surface binding tape binding theory binding therapy binding thread binding time binding-time analysis 砥节奉公砥节砺行砥行磨名砥行立名砥身砺行砥锋挺锷砦砧砨砩强权强档强梁强横强求强渡强溶剂强烈强热带风暴强留