Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.
结合跃进矿锚杆护现状,探讨了锚杆护参数优化设计的必要性和重要性。
Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.
结合跃进矿锚杆护现状,探讨了锚杆护参数优化设计的必要性和重要性。
声明:以上例句、词性分类均由互联网资生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。