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对机械效率不能只停留在机械的识记中.本文就谈谈中考试题中有关机械效率的常见题型,以使同学们能正确深刻理解机械效率的意义,提高复习效率.
The mechanical efficiency can not only stay in the memorization of the machine. This article will talk about the common questions related to mechanical efficiency in the middle exam questions, so that the students can correctly understand the significance of mechanical efficiency and improve review efficiency.