However, it doesn't have heat insulation performance.
但是，它不能起到隔热的作用。
The heat insulation principle of solar heat reflection coating and heat transfer features of LPG storage sphere have been analyzed and studied.
分析和研究了太阳热反射涂料的隔热原理和液化石油气球罐的传热特点，计算了球罐温度和渗入罐内热量。
Third, protection of facilities Some valves also have external protection, which is heat and cold insulation .
保护设施有些阀门还须有外部保护，这就是保温和保冷。
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