434.同步器 synchronizer 435.同步器手轮 synchronizer hand wheel
436.控制滑阀 pilot valve 437.随动滑阀 servo-valve
438.分配滑阀 distributing pilot valve, distributor valve
439.中间滑阀 intermediate valve 440.微分器 differentiator 441.功率限制器 load limiter 442.动态校正器 dynamic corrector
443.滑阀套 valve sleeve 444.喷油嘴 oil nozzle 445.弹性调速器 flexible governor 446.调速器挡块 governor stop 447.危急遮断器滑阀 emergency trip pilot valve
448.撞击子 ram
449.防火滑阀 fire protection pilot valve
450.延滞滑阀 delay pilot valve 451.跟踪滑阀 follow-up pilot valve
452.电-液转换器 electro-hydraulic converter, electro-hydraulic transducer
453.切换滑阀 change-over pilot valve 454.危急保安器 emergency governor 455.危急保安器滑阀 emergency governor pilot valve
456.超速试验滑阀 overspeed test pilot valve 457.喷油试验滑阀 nozzle test pilot valve 458.反馈滑阀 feedback pilot valve 459.起动排油阀 oil drain valve at star-up 460.紧急放油阀 emergency oil relieve valve
461.排油口 oil diacharge outlet 462.节流滑阀 throttle pilot valve 463.滑动油阀 movable pilot valve
464.高压自动关闭器 high-pressure automatic closing gear 465.中压自动关闭器 medium pressure automatic closing gear
466.高压油动机（高压伺服马达） high-pressure hydraulic actuator, high-pressure servo-motor 467.中压油动机 medium-pressure hydraulic actuator, medium-pressure servo-motor
468.杠杆 lever 469.轴 shaft 470.主轴 main shaft 471.传动轴(主动轴) driven shaft 472.被动轴（从动轴） driven shaft
473.小轴 axle 474.联轴器 coupling 475.刚性联轴器 rigid coupling 476.半挠性联轴器 semi-flexible coupling 477.齿型联轴器 serrated coupling
478.冷油器 oil cooler 479.溢油器 oil overflow valve
480.排油烟机 oil-fume extractor, oil fume exhaust
481.油烟分离器 oil-fume separator 482.油净化器 oil purifier, oil conditioner
483.过滤罐 filtering tank 484.布袋式过滤器 bag filter, fabric filter
485.齿轮油泵 gear oil pump 486.顶轴油泵 jacking oil pump 487.柱塞式油泵 piston type oil pump 488.螺杆式油泵 worm type oil pump
489.盘车装置 turning gear 490.盘车手轮 turning gear hand wheel
491.化桩板 lagging enclosure
492.齿轮 gear 493.直齿式齿轮 spur gear 494.斜齿式齿轮 helical gear 495.伞型齿轮 bevel gear 496.蜗轮 worm wheel 497.蜗杆 worm stem 498.弹簧 spring 499.密封油箱 sealing oil tank
500.空气侧交流密封油泵 air side AC sealing oil pump 501.空气侧支流密封油泵 air side DC sealing oil pump
502.压差阀 differential pressure valve
503.平衡阀 balancing valve 504.密封瓦 sealing pad 505.缓冲油箱 buffer oil tank
506.高位油箱 head oil tank, elevated oil tank
507.事故油箱 emergency oil tank 508.磁性过滤器 magnetic filter
509.发电机内冷水箱 generator inner cooling water tank 510.发电机内冷水泵 generator inner cooling water pump
511.离子交换器 ion exchanger 512.干燥器 dryer, drier 513.冷凝式干燥器 condensing type drier
514.凝汽器 condenser
515.多压式凝汽器 multi-pressure condenser 516.单流程凝汽器 single-pass condenser 517.双流程凝汽器 double-pass condenser
518.黄铜管 brass tube 519.管板 tube plate 520.凝汽器喉部 condenser throat
521.热水井 hot well
522.凝结水泵 condensate pump 523.泵壳 pump casing 524.盘根 gland packing 525.盘根压盖 gland top cover 526.盘根端盖 gland end cover
527.填料 packing
528.轴封抽汽风机 shaft seal extraction fan
529.轴封抽汽冷却器 shaft seal extraction cooler, gland cooler
530.轴封漏汽加热器 shaft seal leakage heater 531.低压加热器 low-pressure feed water heater 532.中压加热器 media-pressure feed water heater 533.高压加热器 high-pressure feed water heater
534.蒸汽冷却器 steam cooler 535.疏水冷却器 drain water cooler
536.汽侧 steam side 537.水侧 water side 538.U型管 U-tube 539.除氧器 deaerator 540.储水池 water storage pond 541.卧式除氧器 horizontal type deaerator 542.立式除氧器 vertical type deaerator 543.喷雾式除氧器 atomizing type deaerator 544.淋水盘 water spraying tray, sprinkling tray
545.除氧水箱 deaerated water tank
546.稳压水箱 surge water tank, stabilizing water tank
547.除盐水箱 demineralized water tank 548.除盐水泵 demineralized water pump 549.汽动给水泵 steam-driven feed water pump
550.电动调速给水泵 motor-driven variable speed feed water pump
551.前置水泵 booster pump 552.给水泵 feed water pump 553.机械密封 mechanical seal
554.碳精密封环 carbon seal ring, carbon packing ring
555.动环 moving ring 556.静环 static ring 557.平衡盘 balancing disc 558.液力偶合器 hydraulic coupler
559.泵轮（主动轮） pump impeller, driving impeller 560.涡轮（从动轮） whirling impeller, driven impeller
561.勺管 scoop tube 562.辅助油泵 auxiliary oil pump
563.疏水泵 drain pump 564.疏水扩容器 drain flash tank
565.疏水箱 drain tank
566.热网加热器 heater for heating network, heating network hot water heater
567.生水加热器 raw water heater
568.热网水泵 pump for heating network, heating network hot water pump
569.生水泵 raw water pump
570.除尘水泵 pump for scrubber, scrubber water pump
571.壳体 case, shell 572.水室 water chamber 573.封头 end cover 574.挡板 baffle plate 575.导流板 guide plate 576.射水泵 water jet pump 577.真空泵 vaccum pump 578.射水抽气器 water jet air ejector 579.射汽抽气器 steam jet air ejector
580.射水池 water jet pond 581.排水池 drain water pond
582.工业水泵 industrial water pump, service water pump
583.排污泵 blowdown pump 584.轴流泵 axial flow pump 585.清水泵 clean water pump 586.污水泵 sewage pump 587.排水泵 water discharge pump 588.立式深井泵 vertical deep-well pump
589.深井泵 deep-well pump 590.潜水泵 submerged pump 591.循环水泵 circulating water pump
592.清污机 trash remover 593.混流泵 mixed flow pump 594.离心泵 centrifugal pump
595.旋转滤网 rotating type screen, screw type strainer
596.胶球泵 rubber ball recirculating pump
597.收球网 ball screen 598.装球网 ball collector
599.管式冷却器 tubular cooler, tube type cooler
599/1.支撑斜钢 supporting wedge 600.板式冷却器 plate type cooler 601.冷却水池 cooling water pond 602.喷水池 spraying water pond 603.冷却水塔 cooling tower
604.自然通风冷却塔 natural draft cooling tower 605.逆流式冷却塔 reverse flow cooling tower 606.横流式塔 transverse flow cooling tower 607.机力通风冷却塔 mechanical draft cooling tower
608.空气冷却塔 air cooling tower
609.干式冷却塔 dry cooling tower 610.分水槽 water diversion channel
611.竖井 shaft, well 612.闸板井 gate well
613.闸门室 gate chamber, gate house
614.挡风板 air baffle plate
615.新（主）蒸汽管道 main steam piping, live steam piping
616.主蒸汽系统 main steam system 617.再热蒸汽系统 reheat steam syetem 618.抽汽系统 extraction steam system 619.轴封供汽系统 shaft seal steam supply system
620.轴封 shaft seal
621.门杆漏汽系统 valve lever leakage steam system 622.汽缸法兰螺栓加热系统 casing flange and bolt heating system
623.真空系统 vaccum system 624.凝结水系统 condensate system 625.再热蒸汽管道 reheat steam system 626.给水系统 feed water system 627.循环水系统 circulating water system
628.工业水系统 industrial water system, service water system
629.供油系统 oil supply system 630.密封油系统 seal oil system 631.厂用蒸汽系统 auxiliary steam system 632.调速系统 speed governing system
633.电液调速系统 electro-hydraulic speed governing system 634.发电机内冷水系统 generator inner cooling water system
635.热网系统 heating network system
636.导汽管 steam lead pipe 637.连通管 inter-connecting pipe 638.抽汽管道 steam extraction pipe 639.抽汽母管 steam extraction header 640.厂用蒸汽管道 plant service steam piping 641.厂用蒸汽母管 plant service steam header 642.蒸汽旁路系统 steam bypass system 643.蒸汽大旁路 single stage steam bypass 644.一级蒸汽旁路 first stage steam bypass 645.二级蒸汽旁路 second stage steam bypass 646.辅助蒸汽母管 auxiliary steam header
647.供汽联箱 steam header 648.回汽联箱 return steam header 649.供水联箱 water supply header 650.回水联箱 return water header
651.门杆漏汽管道 valve lever steam leakage piping 652.轴封漏汽管道 shaft seal leakage steam piping