难采条件下轻放开采技术探讨与实践

new

难采条件下轻放开采技术探讨与实践的英文翻译

基本释义

Discussion and Practices on Coal Mining Technology with Light Weight Hydraulic Powered Support Under Difficult Mining Conditions

难采条件下轻放开采技术探讨与实践的相关资料：

临近单词

难难于取悦的

目录

查词历史