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boiler grate｜锅炉炉篦rn
boiler grate area｜锅炉炉篦面积rn
boiler heat balance｜锅炉热平衡rn
boiler heating surface｜锅炉受热面rn
boiler heat…transfer rate｜锅炉传热率rn
boiler holder｜锅炉支架rn
boiler horsepower｜锅炉马力＇锅炉蒸发量单位，为34。5lb/h（磅/时）或15。6kg/h（公斤/时）即每小时把34。5lb（磅）212℉华氏度的水变成蒸气＇
rn
boiler house｜锅炉房rn
boiler house layout｜锅炉房布置rn
boiler indicator｜锅炉指示器rn
boiler industry｜锅炉制造工业rn
boiler inspection｜锅炉检查rn
boiler installation｜锅炉安装rn
boiler insulation｜锅炉保温rn
boiler lagging｜锅炉隔热外套，锅炉套箱rn
boiler load｜锅炉负荷rn
boiler load factor｜锅炉负荷系数rn
boiler maintenance｜锅炉维护rn
boiler mounting｜锅炉安装rn
boiler operation｜锅炉运行rn
boiler output｜锅炉出力rn
boiler overall efficiency｜锅炉总效率rn
boiler plant｜锅炉装置；锅炉房rn
boiler plate｜锅炉钢板rn
boiler platform｜锅炉平台rn
boiler pressure｜锅炉压力rn
boiler pressure gauge｜锅炉压力表rn
boiler rated output｜锅炉额定出力rn
boiler rating｜锅炉额定值rn
boiler room｜锅炉房rn
boiler room header｜锅炉房分汽缸＇集管箱＇rn
boiler safety｜锅炉安全rn
boiler safety valve｜锅炉安全阀rn
boiler scale｜锅炉水垢rn
boiler shell｜锅炉筒体，锅炉外壳rn
boiler slag｜炉渣rn
boiler soot｜锅炉烟灰rn
boiler stay｜锅炉牵条，锅炉拉杆rn
boiler steam dome｜聚汽室，蒸汽室rn
boiler steam rate｜锅炉蒸发量，锅炉产汽率rn
boiler steel｜锅炉钢板＇材＇rn
boiler stoker｜锅炉给煤机＇加煤机＇rn
boiler storage｜锅炉停炉保养rn
boiler superheater｜锅炉过热器rn
boiler surveyed｜锅炉检查完毕rn
boiler test｜锅炉试验rn
boiler thermometer｜锅炉温度计rn
boiler throttle valve｜锅炉节汽阀rn
boiler tube｜锅炉钢管rn
boiler type｜锅炉形式rn
boiler unit｜锅炉机组rn
boiler water｜锅炉用水，锅炉的炉内水rn
boiler water gauge｜锅炉水位表rn
boiler water separator｜锅炉汽水分离器rn
boiler water treatment｜锅炉水处理rn
boiler weight｜锅炉重量rn
boiler working pressure｜锅炉工作压力rn
boiling｜沸腾（的）rn
boiling coefficient｜沸腾放热系数rn
boiling out｜煮炉rn
boiling point｜沸点rn
boiling range｜沸腾范围rn
boiling temperature｜沸腾温度rn
boiling tube｜蒸发管rn
boiling up｜沸腾rn
boiling vessel｜沸腾容器rn
boiling water tank｜沸水箱rn
boil…off｜蒸发，汽化，沸腾rn
boil…off gas｜逸气rn
bolograph｜辐射热量记录仪，辐射热量计rn
bolometer｜辐射热计，辐射热测量仪rn
bolometer resistance｜辐射热计电阻rn
bolometric instrument｜辐射热测量仪表rn
bolometric wave detector｜辐射热检波器rn
bolt｜螺栓rn
bolt connection｜螺栓连接rn
bolt joint｜螺栓连接rn
bolt nut｜螺母rn
bolt rod｜螺杆rn
bolt with winged nut｜翼形帽螺栓，元宝螺栓rn
bolted…on connection｜螺孔rn
bolt…head｜螺栓头rn
bolthole｜螺孔rn
Boltzman constant｜波尔兹曼常数rn
bond｜连接，结合，粘结；粘结材料rn
bonder fibre fabrics｜非纺织布，砌墙用纤维织物rn
bonding｜粘合rn
bonding agent｜粘合剂rn
bone｜骨架，骨状物，炭质页岩，骨煤rn
bone coal｜页岩煤，骨炭rn
bone glass｜乳色玻璃rn
bonnet｜罩，阀帽，烟囱帽rn
booster｜升压器＇机＇；辅助装置，加速装置；加压泵rn
booster adjuster｜增压调节器rn
booster blower｜辅助鼓风机，增压鼓风机rn
booster pressor｜升压压缩机＇用以提升气体压力并送至高一级的压缩机＇rn
booster fan｜升压风机，鼓风机rn
booster pressure controller｜增压控制器rn
booster pump｜增压泵rn
booster thermocouple｜均衡热电偶rn
booster tube｜增压管rn
boosting｜升压rn
Bootstrap system｜布氏空气制冷系统＇用在飞机中的制冷系统；空气经两级压缩后通过膨胀透平而推动第二级机器＇rn
border｜边缘＇界＇rn
border line｜边界线rn
bore｜内径，孔径；汽缸筒，钻孔rn
bore hole｜钻孔rn
bore hole turbine pump｜深井泵rn
borer｜钻孔器rn
boric acid｜硼酸rn
boshing｜浸水冷却rn
BOSIC｜柏诚自控rn
boss flange｜凸法兰rn
bottle｜瓶，罐rn
bottle type drinking water cooler｜瓶式饮水冷却器rn
bottom｜底，底板；炉床；基础rn
bottom ash｜炉底灰，炉渣rn
bottom dead center｜下死点rn
bottom door｜底排水孔，清扫孔rn
bottom supported boiler｜自承式锅炉rn
bottom…heated｜从下面加热的rn
boundary｜边界rn
boundary condition｜边界条件rn
boundary effect｜边界效应rn
boundary layer｜边界层＇流体流过固体表面时，靠近此表面流速减缓的流体层＇rn
boundary line｜边界线rn
boundary science｜边缘科学rn
boundary surface｜边界面rn
boundedness｜限变，局限性rn
Bourdon gauge｜弹簧压加重计，布尔登压力计＇一种用弯曲的扁平管做成的压力计，在内部压力作用下，扁平管趋向变直来指示压力＇rn
bourdon manometer｜弹簧管压力计rn
Bourdon tube pressure gauge｜弹簧压加重计，布尔登管式压力计＇一种用弯曲的扁平管做成的压力计，在内部压力作用下，扁平管趋向变直来
指示压力＇rn
Bovey coal｜褐煤rn
bowl｜碗，钵，衡器，滚球rn
box｜箱，合，柜，室，外壳，轴箱rn
box net｜网袋＇兜＇rn
box socket sets｜套筒板手组rn
box spanner｜套筒板手rn
box type boiler｜箱式锅炉rn
boxing｜装箱rn
Boyle's law｜波义耳定律＇当一定质量的气体的温度保持不变时，它的压强与体积的乘积等于恒量＇rn
bp｜back pressure 背压；barometric pressure 表压力；boiler pressure 锅炉压力；boiling point 沸点；bypass 旁路，旁路管rn
BP。｜British Patent 英国专利rn
br｜branch 支线＇管＇rn
BRA｜British Refrigeration Association 英国制冷协会rn
BRACA｜British Refrigeration and Air Conditioning Association 英国制冷空调协会rn
brace｜支柱＇撑＇，托板，拉条rn
brace strut｜支＇斜＇撑rn
brachylogy｜简化表达法rn
bracing｜联条，撑杆rn
bracing cable｜拉索rn
bracing piece｜斜撑rn
bracing wire｜拉线，拉铁丝rn
bracket｜托＇支＇架，牛腿；固定夹子rn
bracket assembly｜托架组件rn
bracket bracing｜托座支撑rn
bracket light｜壁灯rn
bracket support｜支架rn
brake｜制动器rn
brake horsepower｜制动功率，轴功率，制动马力rn
brake horsepower…hour｜制动马力小时rn
brake mean effective pressure｜平均有效制动压力rn
brake mean pressure｜平均制动压力，平均有效压力rn
brake turbine air cycle｜制动透平空气循环rn
braking｜刹车，制动rn
branch｜分支，支管＇线，流＇rn
branch air duct｜分支管道，支风道rn
branch circuit｜支回路rn
branch duct｜（通风）支管rn
branch line｜支线rn
branch off｜分叉rn
branch pipe｜支管rn
branch point｜分支rn
branch vent｜通气支管rn
brand｜商标，牌号rn
brand iron｜烙铁rn
brasque｜炉衬；填料rn
brass｜黄铜rn
brass fittings｜黄铜配件rn
brass pipe｜黄铜管rn
brass solder｜黄铜焊rn
brass stop valve｜铜闸阀rn
brass tube｜黄铜管rn
brassboard｜试验用铜板rn
braze｜铜焊，镀黄铜rn
braze welding｜铜焊，钎接焊rn
brazed｜铜＇钎，硬＇焊的，焊接的rn
brazed join｜铜＇钎，硬＇焊缝rn
brazed joint｜铜＇钎，硬＇焊接合，铜焊接头rn
brazing｜钎＇铜，硬＇焊＇用熔点低于被连接件的熔化金属填料来连接金属部件，在焊缝形成过程中连接片沾上熔化填料，但本身不溶解的操作方
法＇rn
brazing filler metal｜硬焊料，钎料rn
breach｜破坏；裂纹＇口＇rn
breadborad｜案板，实验线路板；模型的rn
breadth｜宽度rn
break｜断开，裂缝，破裂；断路；停歇rn
break contact｜断开触点rn
breakage｜破损，损耗；断线rn
breakaway｜破裂；气流分离rn
breakdown｜故障；破坏；断裂rn
breakdown of an oil｜油的变质rn
breaker｜电流断路器；破碎机rn
breaker strip｜隔热杆＇一种不良导热体，用来连接冷箱，冷间等的内外壳＇rn
breaking test｜断裂试验rn
break…point｜断点rn
breakthrough｜突破rn
break…wind｜防风墙＇设备＇rn
breather｜换气装置，通气孔；生物rn
breather adapter｜通气接管，通气阀塞头rn
breathing｜