频繁可逆运转卸料设备，其电动机极易烧毁。
The motor of frequently reversible discharging equipment is very easy to be burnt out.
本文以热力学第一定律和第二定律为基础，用可逆热机的运转来建立温度概念。
In this paper the definition of temperature founded on the first law and second law of thermodynamics is evolved by the operation of reversible heat engine.
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