复数： joists

After the discharge line is installed , caulk the rim joist opening on both the inside and outside of the house .

排水管装好后，在屋子内外封堵水平管子与托梁上孔之间的缝隙。

Walk around the basement with caulk and cans of spray foam and plug every gap you can find between framing and masonry and around pipes or wires that penetrate the rim joist or exterior walls .

用填缝材料和喷雾泡沫器把你能找到的地下室里框架和砖石墙之间、贯穿环托梁或外墙的管道或电线周围的每条裂缝堵住。