ABAncher bolt地脚螺栓ABR SWair break switch空气切断开关ABSabsolute绝对ACalternating current交流电ACBair circuit breaker空气自动断路器ACIAmerica Concret Instiute美国混凝土学会ACSAmerica Chemical Society美国化学学会ADPTAdapter连接头AGAAmerica Gas Association美国气体协会AGMAAmerica Gear Manufactures Association美国齿轮制造厂协会AIAAmerica Institute of Achitects美国建筑学会AICEAmerica Institute of Chemical Engineers美国化学工程师学会AISCAmerica Institute of Steel Construction美国钢结构学会AISIAmerica Iron and Steel Institute美国钢铁学会ALAlumium铝ALMalarm报警器ALTalternate备用ALTAltitude高度AMBambient环境AM ammeter安培计AMPampere安培AMTamount总数ANSTAmerican National Standars Institute美国国家标准协会APHAAmerican Public Health Association美国公共健康协会APIAmerican Petroleum Institute美国石油学会APPROXApproximate近似AREAAmerican Railway Engineering Association美国铁道工程协会ARRGTArrangement布置、排列ASBasbestos石棉ASCEAmerican Soiety of Civil Engineerly 美国土木工程学会ASSYassembly组件、总成ASPHasphalt沥青ATMAtmosphere大气ALTOaltomatic自动AUXauxiliary辅助AVCasbestos and varnished cambric insulated wire石棉和浸渍黄蜡布绝缘电笔AVGaverage平均AWGAmerican wire gage美国线规BARbarometer气压计B-Bback to back背到背BBLbarrel桶B.Cbetwen centers中心间距BCbolt circle螺栓节圆BEBaume波美度（比重计）B.E.Bell end承口端BEVEbeveled end坡口端BEPboth ends plain两端平端BETboth end threaded两端螺纹端BEV Bevel坡口BHBoiler house锅炉房BHNBrinell nardness number布氏硬度值BHPbrake housepower制动马力BKRBreaker断电器BLBattery limit界区BLDblind盲板BLDGbuilding 建筑物BLKblank 空白BLK.block区BLNKTblanket覆盖层B.M.bending moment弯矩BOMbill of material材料表BOTbottom底BPback pressure背压B.Pback plate底板B.PTboiling point沸点BPDbarrels per day桶/天BPHbarrelts per hour桶/时BRKTbracket托架、牛腿BRSbrass黄铜BRZbronze青铜B.Sboth sides两边BSWGBrown and Shap wire gageBs线规BTUBritish thermal units英热单位BVButterfly v...
