Technical development and equipment level have a great influence on the selection of mining methods. Which of the following statements is the most appropriate? ( )
选项:
A:All of the options;
B:The coal mining method should consider the technological mode of different equipment level;
C:The mining method will be affected by the development of roof management and support technology;
D:The mining method has changed under the influence of different types of supports
发布时间:2024-05-17 16:19:05