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，亚马逊和刚果盆地的乔木通常是防火的，因为它们遮天的树冠保持了一定的湿度，抑制了燃烧。
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超临界机组掺烧越南无烟煤等极难燃煤种和塔山煤、印尼煤等极易燃煤种的经济性分析指标体系，给出了一套较为简单的、适合现场评估的经济分析指标。