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AcronymsandAbbreviationsinEngineeringCompliedbyAllanWise,basedinAustralia(根据澳标)AA-AmpereA/C-AirConditioningA/H-AfterHoursAB-AsBuiltAEC-Architecture,Engineering,andConstructionAFL-AboveFloorLevelAFL-AboveFinishedLevelAG-AgriculturalpipedrainAGL-AboveGroundLevelAHD-AustralianHeightDatumAHU-AirHandlerUnitAPPROX-ApproximatelyAS-AustralianStandardASCII-AmericanStandardCodeforInformationInterchangeATF-AlongTopFlangeBB-BasinorBottomBLDG-BuildingBNS-BusinessNetworkServicesBOT-BottomBQ-BendableQualityBSP-BritishStandardPipeLL-SteelAngleLAN-LocalAreaNetworkLGX-LineGroupCross(Connector,fibreopticalcable)LH-LeftHandLPG-LiquidPetroleumGasLT-LaundryTroughMm-Metres(English)orMetersMAX-MaximumMDF-MainDistributionFrame(Telecommunications)MFR-ManufacturerMHz-MegahertzMickyMouse-Atoyproject,ofverylowquality.MIN-MinimumMISC-MiscellaneousM.J.-MovementJointmm-MillimetresMS-MildSteelNNC-NormallyClosedNET-NetworkBT-BathTubBT-BoundaryTrapBTM-BottomBW-BothWaysCC-CshapedsteelpurlinC/C-CrossCentresC.J.-ControlJoint(orConstructionJoint)CAD-ComputerAidedDesign.LesscommonlyuseisComputerAssistedDrafting.CCTV-ClosedCircuitTeleVisionCFW-ContinuousFilletWeldCHS-CircularHollowSectionCL-CenterLineCLG-ControlJointCLR-ClearanceCMU-CementMasonryUnitCNJ-ConstructionJointCOL-ColumnCOMMS-CommunicationsCONN-ConnectionCONT-ContinuousCS-CleanersSinkCT-ControllerCTR(S)-Centre/SCTRL-ControlCTRS-CentersCU-DentalCuspidorNo.-NumberNOM-NominalNS-NearSideN.S.O.P.-NotShownOnPlanNTS-NotToScaleNZS-NewZealandStandardOOAorO/A-OverallOD-OutsideDiameterOPT-OptionalPPCD-PitchCircleDiameterPFC-ParallelFlangeChannelPL-PlatePT-PressureTappingPVC-PloyVinylChlorideQQTY-QuantityRR-RadiusRAD-RadiusorradialREF-ReferenceREINF-ReinforcementREQ'D-RequiredREV-RevisionRH-RightHandRHS-RectangularHollowSectionRL-ReducedLevelorRelativeLevelCVR-Cover°C-DegreesCelsiusDDAR-DressedAllRoundDD-DesignDrawingDIA-DiameterDIM-DimensionDN-DiameterNominalDP-DownPipeDR-DryerDW-DishwasherDWG-DrawingDWG(S)-Drawing/SEEA-EqualAngle(steel)EF-EachFaceEL-ElevatedLevelEL-ElevationELEC-ElectricalEQ-EqualEQUIP-EquipmentEW-EachWayEWB-ElectricWaterBoilerEWC-ElectricWaterCoolerFFB-FootingBeamF'c-CharacteristicConcreteStrengthFCU-FanCoilUnitSS-SinkSAN-SanitarySDU-SanitaryDisposalUnitSF-StripFootingSHR-ShowerSHS-SquareHollowSectionSIM-SimilarSQ-SquareSSorS/S-StainlessSteelSL-StructuralLevelSSL-StructuralSlabLevelSTD-StandardTT-TopTB-TieBeamTEMP-TemperatureTFC-TaperFlangeChannelTHK-ThickTOorT.O.orT.OFF-TopOffTR-LaundryTroughTUN-TundishTYP-TypicalUU/S-UnderSideUA-UnequalAngle(steel)UB-UniversalBeam(steel)UC-UniversalColumn(steel)UNO-UnlessNotedOtherwise(UONisFFL-FinishedFloorLevelFL-FloorLevelFOC-FibreOpticCableFS-FarSideFSBL-FullStrengthButtWeldFTG-FootingFTP-FibreTerminationPanel(fibreopticalcable)FW-FilletWeldFWF-FromWebFace(steel)GGALV-GalvanizedGCI-Galvanizedcorrugatediron.GIS-GraphicInformationSystemGSM-GlobalSystemofMoblieorGroupeSpecialeMobileinFrenchHH-PrewashHoseReelHOR-HorizontalHORIZ-HorizontalHP-HighPressureHWB-HairWashBasinIID-InsideDiameterIE-InvertElevationIL-InvertLevelIO-InspectionOpeningIP-IntersectionPointISO-InternationalStandardOrganisationprefered)UON-UnlessOtherwiseNotedUR-UrinalVVER-VerticalVERT-VerticalWWAN-WideAreaNetworkWB-WeldedBeam(steel)WC-WeldedColumn(steel)WC-WaterCloset(toilet)WC(P)-WaterClosetWith'P'TrapWC(S)-WaterClosetWith'S'TrapWD-WorkingDrawingWM-WashingMachineWP-WaterProoforWorkPointXX-By.Example,N12x1200longalsomeansN12by1200long.YZZ-Zulu(GreenwichMeanTime)Z-ZshapedsteelpurlinSpecialCharacters°C=DegreesCelsiusØ=Diameter'#=NumberJJIS-JapaneseIndustryStandardKkHz-KilohertzK.J.-KeyJointKS-KitchenSinkKWh-KiloWattHour(metre)