它在采掘过程中无须燃烧如煤炭，煤气或石油这类矿石燃料。
It can be extracted without burning a fossil fuel such as coal, gas, or oil.
如煤炭和铁矿石为原料，国际市场波动加剧的特点。这将如何影响钢铁企业？
The international market for raw materials, such as coal and iron ore, has been characterized by increased volatility. How does this affect steel companies ?
传统产业如煤炭、纺织、冶炼等行业的困境应从产业生命周期方面进行认识。
The predicament of the traditional industries, e. g. coal, textile, metal smelting, etc, should be recognized from the respect of industry's life cycle.
应用推荐