3.1水轮机
反击式水轮机reaction turbine
混流式水轮机Francis turbine，mixed-flow turbine
轴流式水轮机axial turbine
轴流转桨式水轮机Kaplan turbine，axial-flow adjustable blad propeller turbine
轴流调桨式水轮机Thoma turbine
轴流定桨式水轮机Propeller turbine
贯流式水轮机tubular turbine，through flow turbine
灯泡式水轮机bulb turbine
竖井贯流式水轮机pit turbine
全贯流式水轮机straight flow turbine，rim-generator unit
轴伸贯流式水轮机（S形水轮机）tubular turbine（S－type turbine）斜流式水轮机diagonal turbine
斜流转桨式水轮机Deriaz turbine
斜流定桨式水轮机fixed blade of Deriaz turbine
水斗式水轮机Pelton turbine，scoop turbine
斜击式水轮机inclined jet turbine
双击式水轮机cross-flow turbine
3.2蓄能泵
混流式（离心式）蓄能泵centrifugal storage pump，mixed-flow storage pump
轴流式蓄能泵propeller storage pump，axial storage pump
斜流式蓄能泵diagonal storage pump
多级式蓄能泵multi-stage storage pump
3.3水泵水轮机（又称可逆式水轮机）
单级水泵水轮机singal stage pump-turbine
多级水泵水轮机multi-stage pump-turbine
3.4主阀与阀门
蝴蝶阀butterfly valve
平板蝶阀biplane butterfly valve，through flow butterfly valve
圆筒阀cylindrical valve，ring gate
球阀rotary valve，spherical valve
盘形阀mushroom valve，hollow-cone valve，howell-Bunger valve 针形阀needle valve
旁通阀by-pass valve
直空破坏阀vacuum break valve
4结构部件
4.1混流式水轮机
埋入部件embedded component
引水室（turbine）flume
蜗壳spiral case
座环stay ring
蜗壳鼻端spiral case nose
基础环foundation ring，discharge ring
尾水管draft tube
锥形尾水管conical draft tube
肘形尾水管elbow draft tube
尾水管锥管draft tube cone
尾水管肘管draft tube elbow
尾水管扩散段draft tube outlet part
尾水管支墩draft tube pier
尾水管里衬draft tube liner
机坑里衬pit liner
导水机构distributor
导叶guide vane，wicket gate
控制环regulating ring，operating ring
导叶臂guide vane lever，wicket gate lever
分半键split key
导叶连杆guide vanelink，wicket gate link
导叶过载保护装置guide vane overload protection device 剪断销shear pin
摩擦装置friction device
导叶轴承guide vane bearing
导叶止推轴承guide vane thrust bearing
导叶轴密封guide vane stem seal
导叶端面密封guide vane end seal
导叶立面密封guide vane seal
抗磨板facing plates，wear plates
导叶限位块guide vane stop block
导叶接力器guide vane servomotorreaction in the shaft
单导叶接力器individual guide vane servomotor
推拉杆push and pull rod，connecting rod
调速轴regulating shaft

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