The birth of intelligent refining machine is human society and discovery.
智能炼油机的诞生是人类社会的又一发现。
The study of saving energy in asynchronous machine is very important to economy and society.
因此，对异步电动机节能装置的研究有着重大的经济效益和社会效益。
The study of saving energy in asynchronous machine is very important to economy and society.
因此，对异步电动机节能装置的研究有着重大的经济效益和社会效益。
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