各位,UL 935中8.1.2
a)All seams are overlapped, except that a total length of not more than 3 inches (76.2 mm) of
butt seam meets the intent of this requirement when no opening in such seam is more than
0.005 square inch (3.23 mm2) in area and the total area of such openings is no more than
0.250 square inch (161.29 mm2); 怎么翻译,望指教,谢谢