| 摘要 |
Kindly amend the abstract as follows: A pump installation to lift fluid, with a limited energy input, from a first fluid mass above the fluid level of this first fluid mass (M1): includes a first fluid reservoir, which has at the bottom a first connection with the first fluid mass; includes a second fluid reservoir, which has at the bottom a sealable connection with a second lower-lying fluid mass and a sealable connection with the first fluid mass, of which the first fluid reservoir, has on top a connection with the second fluid reservoir and this connection includes on top a sealable air opening. A method pumps up fluid with this pump installation.
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