| 摘要 |
<p>An underground water storage tank configured to be buried underground and to be capable of storing water therein. The underground water storage tank compris es an internal water storage sub-tank, soil pressure absorption plates; first and second water-impermeable sheet. The internal water storage sub-tank is obtained by wrapping an assemb ly of water- bearing materials with the first water-impermeable sheet. The soil pressure absorption plates are wrapped with the second water-impermeable sheet. An outer water storage compartment is defined between the first and second water-impermeable sheet. One or more first intake pipes each having a first end communicated to the internal water storage sub - tank and a second end opened into the outer water storage compartment, are provided to penetra te through the first water-impermeable sheet. The first intake pipe is provided with a firs t non-return valve. The underground water storage tank is capable of increased and reliable storage.</p> |
