| 摘要 |
A toilet flushing system that allows use of gray water drained from a sink including a toilet having a bowl, a water tank having a lower drain hole and an inner wall defining an upper compartment and a lower compartment and with the inner wall further having an upper drain hole; a sink having a drain pipe extended within the upper compartment; a connecting channel extended between the bowl and the lower drain hole; a flush tube inserted within the upper drain hole and having an upper end with perforations formed thereon and a lower closed plug end; a flushing mechanism having one orientation for permitting the flush tube to be positioned at a location that allows flow of water from the upper compartment to the lower compartment through the perforations thereof and further prevents flow of water into the connecting channel, the flushing mechanism further having another orientation that prevents flow of water from the upper compartment to the lower compartment and further permits water to flow into the connecting channel and to the bowl for flushing.
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