额定水头;额定扬程
This paper presents the major parameters of hydraulic turbines one by one, such as rated head, specific rotating speed and specific speed coefficients, unit flow, unit speed, cavitation coefficient, efficiency, stability etc.
对构皮滩水电站水轮机的额定水头、比转速及比速系数、单位流量、单位转速、空化系数、效率、稳定性等逐一进行论述,介绍了基本参数和参数水平。
" Anything that's R-rated or X-rated, against religion or anything racist would never get on my face or head," he said.
他说,限制级的反宗教的和种族主义内容别想上我的脸和我的头。
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