The expressway tunnels construction in Henan province used new Austrian tunnelling method, which emphasized on site monitoring and measuring, and improving design and construction using the results.
河南某高速公路隧道工程全部采用新奥法施工，该施工方法的特点之一是注重现场监控量测，并利用量测结果及时补充设计和指导施工。
Its extracting method includes surface well drilling and underground mine tunnelling. The tunnelling method is suitable for many mine areas in our country.
开发煤层气的方法有地面钻井开采和井巷开采两种，其中井巷开采方法适用于我国许多矿区。
Shallow buried-tunnelling method was used in the construction of high discharge pressure culvert for the first time and developed a new construction method in urban water distribution project.
在设计中将浅埋暗挖技术首次应用于大流量有压输水暗涵，进一步拓展了适用于城市输水工程的工程技术手段。
Shallow buried-tunnelling method was used in the construction of high discharge pressure culvert for the first time and developed a new construction method in urban water distribution project.
在设计中将浅埋暗挖技术首次应用于大流量有压输水暗涵，进一步拓展了适用于城市输水工程的工程技术手段。
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