The goaf engineering treatment scope determination is one of the highway construction difficult problems, which until now there has no good computation method to settle with.

 
  • 摘要采空区工程处理范围确定是捆扰通过采空区高速公路建设的难题,目前尚无良好的理论计算确定方法。
今日热词
目录 附录 查词历史