coal resource distribution

• 煤炭资源分布

coal resource distribution的用法和样例：

例句

1. The characteristic of coal resources is nonuniform distribution in regions and coal ranks in China.
   我国煤炭资源分布的特点是地域分布和煤种分布都不均匀。
2. Conversely, this has further aggravated the unbalanced distribution of resources.
   这又反过来进一步加剧了资源分布的不均衡。