The lift of fin would vanish at anchor. Because the speed of water flow across the surface of fin stabilizers is zero on this condition.
船舶在低航速或零航速情况下，由于流过鳍表面的水流速度为零，鳍上升力也将消失，因而此时减摇鳍几乎不能进行减摇。
Under high frequency usage condition, the internal leakage flow rate of the piston is almost near zero condition.
在高频使用状态下，活塞的内泄漏量几乎接近于零状态。
Under high frequency usage condition, the internal leakage flow rate of the piston is almost near zero condition.
在高频使用状态下，活塞的内泄漏量几乎接近于零状态。
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