The suggestion of the further spread of tracklessmining technique in China's uranium mines is pres…
文章认为在条件具备的地方，无轨采矿技术是很有发展前途的。
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With intensive mining and the use of trackless equipment, excavation becomes even more difficult as a result of widening of opening size.
随着开采强度的提高和无轨设备的应用，巷道断面相应增大，施工难度也随之增加。
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As a major trackless equipment for underground mining, rubber-tired vehicle has been widely used in underground mines in many countries over the world.