保冷结构的防潮层、隔汽层研究
Research of moisture proof barrier in cold insulation structure
所形成内置的隔汽屏障，即是保温层又是隔汽层，不需另设隔汽层。
Septum formed by the built-in vapor barrier , insulation layer that is vapor layer is separated , without a separate isolation air layer .
隔汽层隔汽层隔汽层