1·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。
2·The floor joist was cracked and fractured, but no debris was deposited in the basement, as the subflooring remained intact.
地板托梁破裂折断，但是在地下室并未落下碎片因地板下面安然无恙。
3·To meet the requirement of a wide space at the bottom story of the building, prestressed concrete joist transformation method is adopted.
应用预应力托梁转换技术满足了底部大空间的功能要求；