scarce coal resources的意思|示意

We talk about coal is scarce resources at the same time, power might it not scarce resources, also should reflect the resources characteristics.

我们在讲煤炭是稀缺资源的同时，电力又何尝不是稀缺资源，也理应体现其资源特性。

Microwave heating method was used to reduce coal-containing chromite fines, scarce chromite resources can be fully used, technical process of ferrochrome smelting is simplified.

利用微波加热的方法来还原含煤铬铁矿粉，稀缺的铬铁矿资源可以得到充分利用。