“system efficiency”的概念、定义、翻译、参考文献-科学参考

单词	system efficiency
释义	system efficiency Encyclopedia 工学有杆泵抽油系统效率释 system efficiency有杆泵抽油系统效率有杆泵抽油系统将井下的液体举升至地面的有效功与抽油系统输入的能量之比。
随便看	Jade Seal of Prince Guangling jade seal of "state bank" of the Soviet Republic of China Jade set in gold Jades from Beiyinyangying Culture jades from Dadianzi Site jades from Dayangzhou jades from Ding Mausoleum jades from Erlitou Site jades from Han Tomb at Shizishan jades from Haochuan Site jades from Jinsha Site jades from Jiuliandun Tomb jades from Liangzhuangwnag's Tomb Jades from Li Jingxun Tomb jades from Rui State jades from Shangcheng Site at Zhengzhou Jades from the Changgouyu Stone-chambered Tomb of the Tang Dynasty at Fangshan Jades from the Hoard of the Tang Dynasty at Hejiacun jades from the Tombs of Huangjunmeng and His Wife jades from the Wugulunwolun Tomb of the Jin Dynasty Jades from Tombs of Han Dynasty at Mancheng jades from Wuyue Empress Ma's Tomb at Linan jades from Zhongshan State Jades of Hongshan Culture Jades of Lingjiatan Culture

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