Whether gas or liquid, radial or tangential, the permeability of Masson's pine wood is increasing from heartwood to sapwood.
马尾松木材的渗透性都是从心材向边材逐渐增大。
2
I like to think of the tree itself: — first the close dry sensation of being wood; then the grinding of the storm; then the slow, delicious ooze of SAP.