在地层内只有连通的空隙才能起导水通道的作用。
Only connected interstices can act as elementary conduits within the formation.
这些空隙便构成了连通通气口和通气口的气流通道，可有效提高蒸发面积，提高衣物烘干效率。
And the gaps form an air current channel for communicating air vents, evaporation area can be effectively improved, and clothes drying efficiency can be improved.
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