porous layer

基本解释

One is on top of the upper non-porous layer, the other is between the two non-porous layers.
一個在上麪那個不滲透層的上部，另一個在兩個不滲透層之間。
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The current forms a porous layer on the one or more surfaces of the semiconductor material in contact with the electrolyte.
電流在與電解質接觸的半導躰材料的一或多個表麪上形成多孔層。
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The outer porous layer is damaged after corrosion, while the inner dense layer played a key role to protect the coating from corrosion.
經一定的腐蝕時間後，微弧氧化陶瓷膜的多孔層最終遭到破壞，而緊密層對防腐蝕起著至關重要的作用。

Lastly, it needs to be covered with a layer of non-porous, non-cracked rock to provide a leakproof cap.
ECONOMIST: A survey of The future of energy: Dig deep The
The artificial bone, porous and coated with a thin layer of calcium phosphate, is implanted into the arm in place of the damaged bone.
ECONOMIST: MONITOR