| 摘要 |
PROBLEM TO BE SOLVED: To prevent the generation of the defective flushing of a bowl surface and defective filth discharge even under water-saving stool specifications having a small amount of flushing water and low head pressure. SOLUTION: Waterwork directly-coupled feed water from water supply pipings 1 and 2 is used as rim flushing water R as bowl flushing water, and water discharged from a low tank 4 is used as the feed water of jet flushing water J.
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