This visualizes that from oven dry upto 10% MC, the influence of MC on air permeabilities of wood chip bed is very significant.

• 当含水率从绝干增至10%25时,木片料床的透气率急剧减小,说明木片从绝干至含水率略有升高时,含水率对木片料床透气率的影响极为显著。