The horizontal direction drilling technology is a new one in modern non-excavating construction.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
Providers rotation torque to 17,500 ft-lbs (23,727 Nm) with variable rotation speed to 180 RPM for exceptional horizontal and direction drilling performance.
最高转矩17，500 英尺·磅（23，727 牛顿·米），可变转速最高180 转/分，带来无与伦比的水平钻井与定向钻井性能。
Through the field tests, the machine reaches the aim to resolve effectively the difficult problem on direction control during horizontal drilling.
该设备经过现场试验，取得了理想的效果，有效地解决了水平螺旋钻机钻进过程中控向的难题。
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