It is a combine of directional drilling technique on land and manual mud-penetrator technique undersea.
它是将陆地定向钻技术与水下人工攻泥器技术相结合，构成一种新的可控穿千斤攻泥器。
The innovated steerable mud-penetrator including the drilling head, drive mechanism, detection method and control cables are discussed in detail.
它包括攻泥头、驱动机构、检测部分以及控制电缆。
The innovated steerable mud-penetrator including the drilling head, drive mechanism, detection method and control cables are discussed in detail.
它包括攻泥头、驱动机构、检测部分以及控制电缆。
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