| 摘要 |
The present invention relates to a process for determining the position in a substantially vertical plane of a supple pipe, such as a drain, in the course of being buried in the ground at the bottom of a trench by a working tool. According to the invention, this process is characterized in that the inclination of at least one sensor element connected to the tool is continuously detected, said inclination being indicative of the gradient of the increment of section of supple pipe which has just been laid in the bottom of the trench. The invention is applicable to the laying of drains in trenches.
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