单头电热管技术参数Single-end electric pipe technical parameter 耐压值(Durable pressure) 绝缘值(Insulation value) 线长误差(Linear error) 管径偏差(Pipe diameter deviation) 管长误差(Pipe length er..
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insulation value of building fabric 房屋保温效能
insulation resistance value 绝缘电阻值
Insulation material PTI value 所用绝缘材料PTI值
The insulation value of the lightweight aggregate is only important in the roof insulation, which is greatly improved.
轻骨料的隔热值只是对屋面的隔热来说很重要，它可使屋面的隔热性能大为改善。
The heavy molecules don't create the same kind of heat exchange between panes that regular ambient air would, drastically improving each window's insulation value.
这些重分子气体不会像周围的普通空气那样产生热量交换，这就极大地提高了每个窗户的隔热功能。
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