coal industry造句
61. The characteristics and treatment mechanism of mine water with high concentration of iron and manganese were studied with mine water produced in Jiukuang and Siwan in Hebi Coal Industry Group Co.
62. Although coal industry had many favorable conditions for exploiting coal - series gaol in, there exist some problems.
63. According to statistics, most accidents are the coal industry, coal industry for more than 80 percent of the accident was due to illegal operations, caused by illegal command.
64. Many others hadn't recovered from the downturn in the coal industry.
65. The evaluation results indicate that coal industry is basically secure in China and the industrial competition is the key factor that affects the coal industrial security during this period.
66. All these have seriously affected the sustainable development of the coal industry.
67. In two years, the British coal industry will be dead and buried.
123