煤炭自燃会造成资源的浪费和环境污染，是重大灾害之一。
Combustion of the coal can cause the waste of resources and environmental pollution, which is one of the most significant disaster.
煤炭自燃会造成资源的浪费和环境污染，是重大灾害之一。
Combustion of the coal can cause the waste of resources and environmental pollution, which is one of the most significant disaster.
应用推荐