中国大学MOOC: 硬质聚氨酯泡沫塑料(俗称黄夹克)保温层厚度一般Rigid polyurethane foam (commonly known as yellow jacket) insulation thickness is general:40mm,导热系数heat conductivity coefficient 0.04 W/(m·K)
举一反三
- 硬质聚氨酯泡沫塑料(俗称黄夹克)保温层厚度一般Rigid polyurethane foam (commonly known as yellow jacket) insulation thickness is general:40mm,导热系数heat conductivity coefficient 0.04 W/(m·K) A: 正确 B: 错误
- 中国大学MOOC: 绝缘层的厚度:熔结环氧粉末Thickness of insulation: fused epoxy powder:0.3mm,导热系数heat conductivity coefficient:0.35-0.4W/(m·K)
- 绝缘层的厚度:熔结环氧粉末Thickness of insulation: fused epoxy powder:0.3mm,导热系数heat conductivity coefficient:0.35-0.4W/(m·K) A: 正确 B: 错误
- 总传热系数一般考虑保温层和埋地管的放热系数即可The total heat transfer coefficient generally considers the heat transfer coefficient of the insulation layer and buried pipe
- 总传热系数一般考虑保温层和埋地管的放热系数即可The total heat transfer coefficient generally considers the heat transfer coefficient of the insulation layer and buried pipe A: 正确 B: 错误