| 摘要 |
THE PRESENT INVENTION DISCLOSES A STRAINER (10) WHICH COMPRISES A WALLED HOUSING (12) THAT ENCLOSES AN INTERIOR SPACE, A STRAINING SCREEN (14) WHICH IS DISPOSED IN COVERING RELATION TO AN OPENING IN THE WALLED HOUSING (12) AND THROUGH WHICH IMPURITIES-CONTAINING WATER FLOWS INTO THE INTERIOR SPACE, A PLURALITY OF CHANNELS (16) WHICH COORDINATE THE FLOW OF THE WATER INTO A DESIRED DIRECTION AND A PLURALITY OF EXPANSION JOINTS (18). THE MOST ILLUSTRATIVE DRAWING :FIG.1
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