銅配件 U型接頭 管帽 規格表 5/8"(15.88mm)1 5/8"(41.28mm) 3/4"(19.05mm)2 1/8"(53.98mm) 7/8"(22.22mm)2 5/8"(66.68mm) 1 1/8"(28.58mm)3 1/8"(79.38mm) 1 3/8"(34.92mm)4 1/8"(104.78mm)
