单词	ruler on
释义	ruler on 用标尺
随便看	building-view building visual conversational system building vocabulary building void building volume building volumetric fraction building wall building wall, ceiling Building WAP Server Rapidly building waste building wastes building water supply and drainage building water supply and sewerage building water supply pipe material building water-supply system building ways building well-off society buildingwide building width building windows and doors Building Wire building with large space building with long-span structure Building with PV building with retrowork method