horizontal direction drilling machine
horizontal direction drilling machine
卧式定向钻床
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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