生物炭是木炭的一种形式，它在高温分解植物或者动物粪便释放能量的同时制得。
Biochar is a form of charcoal made by liberating the energy from plant matter or animal waste using pyrolysis.
二是重量，一个炭雕产品是有一定重量的，特别轻的可能是由一般木炭制成，这就达不到吸附作用了。
Two is the weight of a carbon black products there is a certain weight particularly light may be made by charcoal which did not reach the adsorption effect.
煤砖，炭砖把煤灰，木炭或锯木灰和木片压缩制成的砖块状物，用作燃料和点火。
A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling.
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