电力专业英语8-水轮机.pptVIP

Hydraulic Turbine 水轮机 vocabulary prime mover hydraulic turbine water wheel vane,blade bucket runner impulse turbine reaction turbine Francis propeller Pelton wheel 原动机 水轮机 水轮机 叶片、桨叶 斗叶 转轮 冲击式水轮机 反击式水轮机 法兰西式水轮机 桨叶 佩尔顿水轮机 vocabulary pitch diameter needle nozzle deflector load rejection bolt solid cast double-overhung rim discharge side mixed-flow turbine runner chamber band 节圆直径 针杆 喷嘴 偏流器 甩负荷 用螺栓连接 整体浇铸 双悬臂式的 轮缘 出水侧 混流式水轮机 转轮室 下环 vocabulary hub diagonal turbine feather reversible pump turbine gate Kaplan turbine tubular-type turbine TUBE turbine water passage gear drive bulb 轮毂 斜流式水轮机 顺桨平放 可逆式水轮机 桨叶 卡普兰式水轮机 贯流式水轮机 贯流式水轮机 过流通道 齿轮转动 灯泡 The potential energy of water flowing from a fore bay through a penstock is transformed into kinetic energy in a jet or jets of water striking the single or double bowl-shaped buckets of the impulse runner. 从前部流过引水管的水的势能转换为射流冲击冲击转轮的一个或两个碗状斗叶的动能。 Francis turbines have a crown and band enclosing the upper and lower portions of the buckets, while a propeller-type runner has blades projecting from the hub. The automatic coordination of the movement of runner blade and adjustment of the gate position provides optimum hydraulic performance and has made such units more efficient for variable flow and low-head applications. Translation Skill 词义的选择 文章由单词组成。 正确的单词词义是保证英文正确的基础。 英汉单词词义的差别： 一词多义（同一词性意义不同） operate：外科手术、运行、操作 一词多类（不同词性意义不同） current：adj. 当前的 n. 电流 一词多用（不同形式意义不同） time：时间 times：倍数 Translation Skill 词义的选择 根据词类选择词义 It is round. 它是圆的。(adj.) In the presence of such supervisory equipment, no rounds is needed from tome to time. 有了这些监视设备，就不需要不停地巡视了 Translation Skill 词义的选择 根据学科领域选择词义 third power 三次幂 high power telescope 高倍望远镜 nuclear powered submarine 核动力潜艇 power system 电力系统 Translation Skill 词义的选择 根据词语搭配选择词义 super-critical generator unit 超临界发电机组 critical parts 关键部件 the condition is not critical 条件并不苛刻 surge arrester 避雷器 surge voltage 冲击电压 surge impedance 波阻抗 surge protect 浪涌保护 Translation Skill 词义的选择 根据上下文选择词义 in