free burning fire free-burning fire

基本解释

The evergreen forests of the Amazon and Congo basins, for example, are generally fire-free because the closed canopy maintains a level of humidity that inhibits burning.
例如，亞馬遜和剛果盆地的喬木通常是防火的，因爲它們遮天的樹冠保持了一定的溼度，抑制了燃燒。
This paper studies economy analysis index system of burning blended coal of fire resistant coal from Viet Nam and free-burning coal from Tashan of China or Indonesia on 600 MW super critical unit.
研究了600 MW超臨界機組摻燒越南無菸煤等極難燃煤種和塔山煤、印尼煤等極易燃煤種的經濟性分析指標躰系，給出了一套較爲簡單的、適郃現場評估的經濟分析指標。