浮标的向上运动则产生吸力，可将阀球提起，这样可允许气流受力并返回至配重管。
Upward motion of the buoy causes a suction which lifts the balls, thus allowing air to be drawn back down the counterweight tube.
浮标的向上运动则产生吸力，可将阀球提起，这样可允许气流受力并返回至配重管。
Upward motion of the buoy causes a suction which lifts the balls, thus allowing air to be drawn back down the counterweight tube.
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