| CPC A47L 11/4091 (2013.01) [B08B 3/02 (2013.01); B08B 13/00 (2013.01); A47L 2201/028 (2013.01); B08B 1/165 (2024.01); B08B 2203/027 (2013.01)] | 18 Claims |

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1. A water tank, configured for communicating with a cleaning system on a base station body of a base station and outside of the base station, the water tank comprising:
a clean water cavity, configured to hold clean water;
a clean water input channel, configured to be communicated with the clean water cavity and an external water source outside the base station, allowing clean water to be input to the clean water cavity from the external water source outside of the base station;
a clean water output channel, configured to be communicated with the clean water cavity and the cleaning system on the base station body, allowing clean water to be output from the clean water cavity to the cleaning system on the base station body;
a sewage cavity, configured to hold sewage;
a sewage input channel, configured to be communicated with the cleaning system on the base station body and the sewage cavity, allowing sewage generated by the cleaning system on the base station body to be input to sewage cavity; and
a sewage output channel, configured to be communicated with the sewage cavity and outside of the base station, allowing sewage to be discharged from the sewage cavity to the outside of the base station;
wherein the water tank comprises a water tank body and an adapter detachably connected to the water tank body, and the water tank receives clean water delivered from the outside of the base station and discharges the sewage to the outside of the base station through the adapter;
the clean water cavity, the sewage cavity, the clean water output channel, and the sewage input channel are arranged on the water tank body of the water tank, and the clean water input channel and the sewage output channel are defined on the water tank body and the adapter.
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