After More burial and chemical transformation of the aging organic material, the peat becomes lignite, a very soft coal-like material.
当这些古老的有机物质经过进一步的埋藏和化学变化，泥炭就变成一种非常软的，像煤物质那样的褐煤。
The author would like to point out that the peat deposited in karst depression is the main type in Guangxi.
着重指出岩溶洼地类型是广西泥炭资源的主要矿床类型。
The author would like to point out that the peat deposited in karst depression is the main type in Guangxi.
着重指出岩溶洼地类型是广西泥炭资源的主要矿床类型。
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