| 摘要 |
A system for preventing liquid infiltration into a sump having an opening defined by a sump collar includes a ring member adapted to be disposed about the sump collar, at least a portion of the ring member adapted to be in contact with a drainable material disposed below. The system also includes a lid member in engagement with the ring member. The ring member including a number of apertures disposed therein, each aperture of the number of apertures being adapted to allow liquid to pass from a top surface of the ring member to the drainable material below.
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