| 摘要 |
A method of storing liquid in a tank (101), said tank having inlet and outlet ports (117, 127) and a moveable follower (111) carrying one of said ports (117), said liquid being concurrently and continuously fed to and delivered from the tank and the volume of said liquid in said tank varying as the follower (111) moves in response to variations in the rates of supply and demand. <IMAGE> |
