| 摘要 |
A circuit including a high-pressure source (1), a low-pressure reservoir (2), a receiver (3) and two valves (5, 6) of which the first is electrically controlled. When the first valve (5) leaves its initial position, the second valve (6) is hydraulically moved to a second position, said second valve controlling head loss in the portion of the network (41) that links the source (1) to the receiver (3) via the first valve (5).
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