Therefore, medium and small coal enterprise often have excuses for miners refuse to treatment, and refuses to recognize is occupational disease.
为此，中小煤炭企业常已各种借口为由拒绝为矿工治疗，并拒绝承认是职业病。
2
The refuse derived fuel (RDF) was made from mixture of Xuzhou Jiahe coal and municipal domestic refuses with a steel piston mold under room temperature.
采用活塞钢模，室温下利用徐州市夹河煤和生活垃圾制备出了垃圾衍生燃料。
3
Surface subsidence and the discharge of refuse, wastewater and waste gas constitute the main impact of coal mining on the environment.