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bioclimatic｜气候和生物间关系的rn
bioclimatology｜生物气候学rn
bioecology｜生物生态学rn
biology｜生物学，生态学rn
biomedical｜生物医学的rn
biometeorology｜生物气象学rn
biphase｜双相的rn
bipolar｜两极的rn
Biram's wind meter｜翼形风速计rn
Birmingham Wire Gauge｜英国伯罕明线规rn
bisection｜平分rn
bitumen｜沥青rn
bitumen asbestos｜沥青石棉rn
bitumen coating｜沥青涂层rn
bitumen sheet｜油毛毡rn
bituminous｜沥青的rn
bituminous coal｜烟煤rn
bituminous coke｜焦炭，烟煤焦rn
bituminous concrete｜焦炭，烟煤焦rn
bituminous felt｜沥青混凝土rn
bituminous paint｜沥青毡rn
bitumite｜烟煤rn
bivalent｜二价的rn
BL｜baseline 基线；base load 基本负荷；boundary line 边界线rn
black｜黑色的，黑的，吸收全部辐射能的rn
black absorber｜黑吸收体rn
black body radiation｜黑体辐射rn
black globe temperature｜黑球温度rn
black globe thermometer｜黑球温度计rn
black iron｜黑铁（皮）rn
black lead｜石墨rn
black light｜不可见光＇指看不见的紫外线和红外线＇rn
black oil｜润滑重油，黑油rn
black out plant｜无窗厂房rn
black oxide coating｜黑色氧化处理＇金属制品的表面处理＇rn
black pipe｜黑铁管，非镀锌管rn
blackout｜关闭，中断，信号消失，照明中断rn
blade｜叶片rn
blade flutter｜叶片颤振rn
blade nozzle｜叶片式喷嘴rn
blade passing frequency｜叶片通过频率rn
blading｜安装叶片，叶片rn
bland flange｜盲板法兰，管口盖法兰rn
blank｜空白，间隔；坯件rn
blank assay｜初步试验rn
blank cap｜盲板，盖堵rn
blank flange｜法兰盲板rn
blanket｜毯，毡；表面层，覆层；外壳，套，管rn
blanket insulation｜毛毡保温rn
blanket…type insulant｜毯状绝热材料＇做成长片或卷状的软性绝热材料＇rn
blast｜鼓风rn
blast air fan｜鼓风机rn
blast efficiency｜鼓风机效率rn
blast engine｜送风机；鼓风机rn
blast freezing｜吹风冻结rn
blast heater｜送风加热器，热风器＇由风扇及加热盘管组成的加热空气的设备＇rn
blast meter｜风压表rn
blast nozzle｜送风喷嘴rn
blast nozzle area｜风口横截面积rn
blast pressure｜鼓风压力rn
blast…furnace｜鼓风炉rn
blast…furnace cinder｜高炉渣，鼓风炉渣rn
blast…heating｜热风供暖rn
blast…pipe｜鼓风管rn
blast…proof｜防爆的rn
blaze｜火焰（熊熊），燃烧rn
blazing sun｜烈日rn
bldg｜building 建筑，房屋rn
bleaching powder｜漂白粉rn
bled steam｜抽＇排＇汽rn
bleed｜放＇排，流＇出，抽吸；喷嘴；（锅炉）排污rn
bleed type controller｜排气式调节器＇空气自动控制用调节器的一种＇rn
bleeder｜排入管，泄流器，滴水口；分压器rn
bleeder heater｜废汽加热器rn
bleeder turbine｜排汽式汽轮机rn
bleeder…type condenser｜溢流式冷凝器＇在不同的水平位置上装有液体溢流管的大气式冷凝器＇rn
bleeding｜排放，抽气，放水rn
bleeding cock｜排放阀rn
bleeding pipe｜排放管rn
bleeding point｜抽汽点rn
bleeding valve｜排放阀rn
bleed…off｜抽＇排＇气；逸出＇在循环制冷剂总量中允许损耗的少量制冷剂＇rn
blend｜混合物；混＇掺＇合rn
blended coals｜混合煤rn
blender｜掺合器rn
blending box｜混合箱＇两种不同的送风（一般为回风和新风）在被处理和排出之前，先进入其中混合的隔间＇rn
blighted area｜遮蔽＇阴影＇面积rn
blind｜遮光物，百叶窗，封闭的，盲的，无光的rn
blind coal｜无烟煤rn
blind flange｜法兰堵塞板，盲法兰rn
blind joint｜堵头，无缝接头rn
blind storey｜暗楼rn
blind window｜百叶窗rn
blinding｜堵塞；眩目的rn
blink｜闪光rn
blister｜气泡，砂眼；起泡rn
bloat｜膨胀rn
block｜块料；单元；闭锁；部分；街区，一排楼房rn
block diagram｜分块图；区划图；方框图，流程图rn
block heating｜分块＇片＇供暖rn
block ice｜块冰＇将水在冰模或冰桶内冻结而成＇rn
block insulation｜块状绝缘rn
block storage radiator｜蓄热块组放热器rn
block up｜堵塞，封闭rn
block water wall｜组合式水冷壁rn
blockage｜阻塞rn
blocked｜闭塞的，联锁的rn
blocking｜闭锁，阻塞，中断；闭锁装置rn
blocking element｜闭锁装置rn
block…type insulant｜块装隔热材料＇做成长方形截面积的硬性或半硬性热材料＇rn
bloop｜杂音rn
blow｜吹＇送＇风；射程＇当气流速度降低到一定值之前气流离开送风口后的行程＇rn
blow and exhaust hood｜吹吸式通风罩＇设在槽边或工作台边的通风罩＇rn
blow burner｜喷燃＇吹风＇式燃烧器rn
blow cold｜鼓冷风rn
blow distance｜使用半径，使用范围rn
blow fan｜鼓风机rn
blow hole｜气孔rn
blow off pipe｜排污管rn
blow through｜排污；吹洗；吹通rn
blowback｜加火rn
blow…by｜渗漏，不密封rn
blowcock｜放泄旋塞rn
blowdown｜排污管rn
blow…down｜排污，泄放，排入；吹洗rn
blow…down pressure｜排放压力rn
blow…down valve｜（锅炉用）排污阀rn
blower｜鼓风机＇在较高压力下供给较大风量的空气压缩机＇rn
blower coil｜风机盘管rn
blower coil evaporator｜吹风式盘管蒸发器rn
blow…in｜注入空气，打气rn
blowing cooling tower｜鼓风式冷却塔rn
blowing lamp｜喷灯rn
blowing plant｜送风设备，鼓风设备rn
blowoff｜（锅炉的）吹洗；排污设备，排污管rn
blowoff cock｜排放栓，排汽阀，排污旋塞阀rn
blowoff pipe｜排气管，安全排气管；排污管rn
blowoff tee｜排污三通rn
blow…off valve｜放气阀＇把过多的气体放入大气以保持容器内预定压力的阀＇rn
blowout｜鼓风，喷出；熄火rn
blowout window｜爆裂窗＇起安全阀作用的＇rn
blowpipe｜吹管，送风管，喷焊器rn
blow…through fan system｜吹过式通风系统rn
blowtorch｜喷灯rn
blowtorch action｜喷吸作用rn
blr boiler｜锅炉，锅炉机组，蒸汽发生器rn
blr…hp｜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
blue｜蓝色rn
blue gas｜水煤气rn
blue print｜蓝图rn
blue…printing machine｜晒图机rn
board｜木板；屏，台；配电盘，转换器rn
board coal｜纤维质煤rn
board foot｜板尺＇量木材的单位名称=lft2（英尺2）*1in（英寸）厚的木料＇rn
boarded ceiling｜天花板，板平顶，板吊顶rn
board…type insulant｜板状绝缘材料＇做成板状的硬性绝缘材料＇rn
bob｜测＇线＇锤rn
bob weight｜平衡重rn
BOCC｜building operation center console 房屋中心控制台rn
body｜物＇人，机＇体rn
body colour｜不透明rn
body heat loss｜人体热损失rn
body icing｜周围加冰rn
body plan｜横剖型线图rn
body temperature｜体温rn
boghead coal｜藻煤＇泥煤的变种＇rn
boil｜沸腾，蒸煮，汽化rn
boiler｜锅炉，蒸汽发生器；热水器；发生器＇吸收式制冷机的一部分，制冷剂在其中被加热而析出＇rn
boiler accessories｜锅炉附件rn
boiler arrangement｜锅炉机组布置rn
boiler auxiliaries｜锅炉辅机rn
boiler barrel｜锅炉汽包，锅筒rn
boiler bed｜炉床rn
boiler blower｜锅炉鼓风机rn
boiler blowoff｜锅炉排污；安全阀rn
boiler brickwork｜锅炉砖墙，锅炉砌体rn
boiler capacity｜锅炉容量rn
boiler case｜锅炉套箱rn
boiler circuit｜锅炉的循环水回路，汽水系统rn
boiler circulation pump｜锅炉循环泵，锅炉流转水泵rn
boiler circumferential surface area｜锅炉周边面积，按管子处径计算的锅炉蒸发表面积rn
boiler cleaning｜锅炉清洁工作rn
boiler clothing｜锅炉护板rn
boiler code｜锅炉法规rn
boiler bustion｜锅炉燃烧rn
boiler bustion chamber｜炉膛rn
boiler pound｜锅炉防垢剂rn
boiler construction code｜锅炉制造安装法规rn
boiler cradle｜锅炉托架rn
boiler design｜锅炉设计rn
boiler drum｜锅炉锅筒，汽包rn
boiler efficiency｜锅炉效率rn
boiler erection｜锅炉安装rn
boiler feed｜锅炉给水rn
boiler feed main｜锅炉给水总管rn
boiler feed pump｜锅炉给水泵rn
boiler feed water｜锅炉给水rn
boiler feeder｜锅炉给水器rn
boiler feedwater｜锅炉给水泵rn
boiler fittings｜锅炉配件rn
boiler flue｜锅炉烟道rn
boiler flue gas｜锅炉烟气rn
boiler fouling｜锅炉污垢rn
boiler furnace｜锅炉炉膛rn
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 surfac