单词	波形壁管
释义	波形壁管corrugated pipe
随便看	object program loader object program loader--opl object program loader，opl object program module object program optimization object program preparation object program utility routine object program utility routine--opur object program utility routine，opur object program，target program object pronoun object recognition object reference object registration service object relation object relational database management system object-relational dbms object-relational server object relations object relationship object relations theory object relations therapy object relation theory object representation object request broker