因此，举个例子，沙岩可以和构成它的疏松的沙粒一样具有多孔渗水的特点。
The result is that sandstone, for example, can be as porous as the loose sand from which it was formed.
因为阴极极化作用超过一定范围，会导致氢气的大量析出，从而使镀层变得多孔、粗糙、疏松、烧焦，甚至是粉末状的，质量反而下降。
Because the cathode polarization effect more than a range, will lead to a large number of hydrogen, and separation coating becomes porous, rough, loose, scorched, even the powder, quality just drop.
结果表明，氢氧化铝所形成的包覆层是疏松和多孔的。
The (results) reveal that the coating layer of aluminum hydroxide is loose and porous.
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