The heat transferring drum pipe, its heat insulativity and its heat-insulating Layer's thickness have not the distance scale.
对于圆筒输热管，其热绝缘性能与绝热层厚度之间的关系，远非象平壁那样呈线性关系。
The heat transferring drum pipe, its heat insulativity and its heat-insulating Layer's thickness have not the distance scale.
对于圆筒输热管，其热绝缘性能与绝热层厚度之间的关系，远非象平壁那样呈线性关系。
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