Improvement of no-load stability of No.1 Pump-turbine under the condition of low head area in Tianhuangping Pumped-storage Power Plant是什麼意思_Improvement of no-load stability of No.1 Pump-turbine under the condition of low head area in Tianhuangping Pumped-storage Power Plant在線翻譯_英語_讀音_用法_例句