| 摘要 |
It is proposed to design a fluid flux regulating unit (1, 28, 35, 41, 53, 56, 58), comprising a first fluid port (3), a second fluid port (4) and a valve means (6) , in a way that the valve means (6) comprises at least one fluid pressure balancing means (13, 25, 30, 31, 33, 52).
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