| 摘要 |
PURPOSE: A directly-connected triple residue-filtering floor drain is provided to directly connect the floor drain to a drain pipe and prevent clogging of the drain pipe. CONSTITUTION: The directly-connected triple residue-filtering floor drain has a floor drain body comprising a water-staying groove surface(2), intermediate vessel-fitting projections(1), and double connecting devices to connect double pipes. The directly-connected triple residue-filtering floor drain has a draining and residue-filtering cover device comprising plural legs to filter last residues and to execute a draining function and a cover to intercept a sewage smell coming through the body. The directly-connected triple residue-filtering floor drain has a residue-filtering vessel comprising an intermediate residue-filtering net.
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