【正文】 ad基本負(fù)荷base material母材basement 地下室basic limit基本限值batching tank制備箱bearing frame軸承底座bearing oil pump軸承（潤滑）油泵bearing surface支承面Becquerel (Bq)貝可（勒爾）（放射性活度計(jì)量單位：法定SI單位）beginning of life (BOL)壽期初bellows波紋管berth泊位bioaccumulation factor生物積累因子biological sheilding生物屏蔽bit（數(shù)）位blackout全廠斷電block diagram方塊圖block閉鎖blowdown噴放，排污blowdown pump噴放泵blower, (fan)風(fēng)機(jī)bodybonnet connection閥體與閥蓋的聯(lián)接bolt螺栓booster pump增壓泵bootstrap引導(dǎo)BOP building radiation monitoring systemBOP廠房輻射監(jiān)測系統(tǒng)borated glass硼玻璃boration硼化boric acid blender硼酸混合器boric acid filter硼酸過濾器boric acid pump硼酸泵boric acid surge tank硼酸波動(dòng)箱boron concentration content硼濃度 硼含量boron dilution硼稀釋boron equivalent硼當(dāng)量barrel base plate吊籃底板base 基座，底座base load operation基本負(fù)荷運(yùn)行base plate底板，墊板basic design初步設(shè)計(jì)basic of design (or purchase)設(shè)計(jì)/采購依據(jù)bearing capicity承載力bearing housing軸承座（殼）bearing sleeve軸承襯套bearing swiveling ring回轉(zhuǎn)支承bellow seal波紋管密封bent frame排架bills of quantities工程量清單biological halflife生物半排期bistable (module)定值器（組件），雙穩(wěn)態(tài)組件bite (control rods)（控制棒）咬量blank空格block sequence welding分段多層焊blow down排污blowdown phase噴放階段blowdown rate排污率board inward dialing (BID)經(jīng)話務(wù)臺(tái)接入boiling heat transfer沸騰傳熱bolting material螺栓件材料bootstrap loader引導(dǎo)裝入程序BOP 380V AC power systemBOP 380V交電系統(tǒng)BOP munication systemBOP通訊系統(tǒng)BOP lighting systemBOP照明系統(tǒng)borated water含硼水boric acid batching tank硼酸制備箱boric acid concentration硼酸濃度boric acid mixing tank硼酸混合箱boric acid storage tank硼酸儲(chǔ)存箱boric acid transfer pump硼酸輸送泵boron concentration monitoring system硼濃度監(jiān)測系統(tǒng)boron recycle system硼回收系統(tǒng)boron removal去硼boron meter硼濃度計(jì)bottom head insulation（下）底封頭保溫層bottom nozzle下管座box foundation箱形基礎(chǔ)braid編織物branch connection分支連接braze welding釬焊breaker (circuit breaker)斷路器breakpoint斷點(diǎn)bridge (overhead) crane橋式起重機(jī)brush電刷，刷子buildup factor積累因子bulk boiling整體沸騰buoyancy浮力burnable poison可燃毒物burnable poison rod可燃毒物棒burnout correlation燒毀關(guān)系式burnup燃耗busbar, bus母線busway母線槽，母線通道buttress扶壁，水管支墩bypass旁通，旁路byte字節(jié)cabinet設(shè)備柜cable connector接線盒cable flat電纜層cable layer電纜包層cable pulling vault電纜井cable supply電纜供電cable tray電纜托架、橋架calculator module計(jì)算機(jī)組件candling蠟燭狀熔化capacitor電容器capture cross section俘獲截面carbon dioxide suppression system二氧化碳滅火系統(tǒng)carriage return (CR)回車boronlined counter涂硼計(jì)數(shù)管borosilicate glass硼硅酸鹽玻璃bottom head下封頭bottom plate底板bracket牛腿，支承架brake horsepower制動(dòng)馬力branch system枝狀管網(wǎng)break size破口尺寸breaking capicity遮斷容量breather pipe通氣管broadcasting control panel廣播控制盤buckling曲率buildup sequence（堆焊或多層焊）熔敷順序bulk coolant temperature冷卻劑整體溫度buried cable地下電纜burnable poison assembly可燃毒物組件burnout燒毀burnout radio燒毀比bus總線bushing套管butt welding對(duì)接焊buzzer蜂鳴器bypass flow旁通流量cab（起重機(jī)）駕駛室cable box電纜箱，電纜盒cable end fitting電纜終端配件cable gallery電纜廊道cable list電纜清冊(cè)cable spreading電纜敷設(shè)cable termination電纜頭cache memory（高速）緩沖存儲(chǔ)器callcalorimeter量熱計(jì)capable fault能動(dòng)斷層capacity（起重機(jī)）起重量，容量capture gamma ray俘獲γ射線card 插件cardinal point基點(diǎn)，座標(biāo)點(diǎn)carry over（汽）帶水carry under（水）帶汽carryover帶水率carryunder帶汽率cartridge (filter)（過濾器）芯子cascade串級(jí)casing adapter（主泵）吸水導(dǎo)向管castinsite concrete現(xiàn)澆混凝土cathode ray tube (display) (CRT)屏幕顯示cation bed陽離子床cell電池，小室central processing unit (CPU)中央處理器centralized sampling集中取樣centrifugal fan離心式風(fēng)機(jī)certificate證書change notice變更通知change request變更申請(qǐng)changeout替換，代替changing fixtures控制束棒與阻力塞抽插機(jī)channel deviation通道偏查channel head（蒸汽發(fā)生器）下封頭channel spacing信道間隔character 字符character string字符串charcoal absorber活性碳吸附器chargecoupled device (CCD)電荷耦合器件charger充電裝置charging pump上充泵charpy V test夏比V型試驗(yàn)check valve逆止閥，止回閥checkhole檢查口chemical additive化學(xué)添加物chemical cleaning化學(xué)清洗chemical treatment tank加藥箱（器）chequered plate花紋鋼板cheveron plate波紋板chilled water circulation pump冷凍水循環(huán)泵chloride concentration (connent)氯化物濃度chopped cosine profile distribution截余弦分布carrying rail行走軌道carryover moisture夾帶水分cartridge卡盤cartridge fuse熔絲管case 箱，柜，盒（儀表）cassette tape盒帶catchment area匯水面積cation bed陽床celling light天花板照明cement solidification水泥固化centralized control集中控制centrifugal charging pump離心式上充泵certificate of approval鑒定證書certification of pliance合格證change request form變更申請(qǐng)表change review board變更審查委員會(huì)changeover轉(zhuǎn)向，轉(zhuǎn)接channel通道channel flow area通道流通面積channel integral model信道積分模型channel conduit渠道character printer字符打印機(jī)characterististic curve特性曲線charcoal filter活性碳過濾器charge ionizing particle帶電電離粒子charging path上充通道Charpy V notch specimen (Cv)夏比V缺口試樣check source校驗(yàn)放射源checklist校核清單chemical and volume control system (CVCS)化學(xué)和容積控制系統(tǒng)chemical reagent injection化學(xué)試劑注入chemistry laboratory and its drain system化學(xué)分析室及其疏水系統(tǒng)chilled water冷凍水chilled unit冷凍機(jī)組chocked flow擁塞流量circuit breaker opening (manual)斷路器跳閘（手動(dòng)）circuit diagram電路圖circulating cooler循環(huán)冷風(fēng)機(jī)circulating cooling water energy disoersion system循環(huán)水排放口消能系統(tǒng)circulating cooling water pumping station system循環(huán)水泵房系統(tǒng)circulating cooling water yard pipe network system循環(huán)水廠區(qū)管路系統(tǒng)circulation ratio循環(huán)倍率civil works土建工程clad (ding)包殼，包覆cladding flattening包殼壓扁clarification澄清，凈化classification of records記錄分類cleanout清掃口clevis insert（堆內(nèi)構(gòu)件）鑲塊clock system時(shí)鐘系統(tǒng)closed circuit TV system閉路電視系統(tǒng)closed – circulating cooling water閉路循環(huán)冷卻水closure head頂蓋coarse sand粗砂coated electrode藥皮焊條cobaltbase alloy鈷基合金code case規(guī)范案例code of federal regulation (CFR)聯(lián)邦管理法規(guī)（美國）coil stack assembly線圈部件cold leg（管道）冷段coldshu