 ... intervals and a traction machine on the surface vessel capable of moving the cable such that the buckets descend to the ocean floor along one side of the loop, skim over the bottom filling with nodules along the bottom side of the loop and return...  Papers - الصفحة 196المحررون: - 1972 - عدد الصفحات: 293عرض كامل - لمحة عن هذا الكتاب
 | Arthur D. Little, Inc - 1977 - عدد الصفحات: 144
...25-50-meter intervals. This rope is fed off the back of a surface Vessel, capable of moving the rope so that the buckets descend to the ocean floor along...with nodules along the bottom side of the loop, and returning to the surface on the third side of the loop. The continuous rope is pulled to the surface... | |
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