空气间层 meaning in English

air space
airspace

The numerical simulation accords with detective values in summing up it may be stated that we must keep the building wall dryness in order to produce a good heat performance , therefore , a air insulation is built in the high temperature layer and a air layer is built to eliminate moisture and exsuction damp in the low temperature layer ,
本文指出，为了创造出热功能优良的建筑墙体，必须使建筑墙体永远保持干燥状态。因此，为使墙体长期保持良好的绝热功能，必须在高温侧设置隔汽层，在低温侧设置排湿和吸潮的空气层并及时排除空气间层的凝结水及霜。