Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.
结合跃进煤矿锚现状,探讨了锚参数优化设计的必要和重要。
Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.
结合跃进煤矿锚现状,探讨了锚参数优化设计的必要和重要。
声明:以上例句、词类均由互联网资源自动生成,部过人工审核,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。