| 摘要 |
The set of rods comprises at least two stabilizers (5,6) spaced apart along the length of the set of rods (1) and each comprising a body (10), at least one bearing plate (9) and means (21, 23) for actuating the bearing plate (9). The actuating means (21, 23, 21', 23') of each of the stabilizers (5, 6) are controlled independently so as to place the bearing plates (9) of the stabilizers (5, 6) in given positions constituting a combination of positions of extraction of the bearing plates (9) ensuring a desired adjustment of the direction of the set of rods (1).
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