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1 引言 过去10年,非开挖业界目睹了全球水平定向钻进技术应用的显著增长。在水管、气管、电缆线、污水管的铺设工程以及地层治理和其他领域中获得了广泛的应用。制造商们竞相努力以迎合市场增长的需要,中型水平定向钻机的竞争尤其激烈。
1 Introduction In the past 10 years, the non-excavation industry has witnessed a significant increase in the application of global horizontal directional drilling technology. In the water pipes, trachea, cable, sewer pipe laying projects and strata governance and other areas has been widely used. Manufacturers competing hard to meet market growth needs, medium-sized horizontal directional drilling machine is particularly fierce competition.