single rebated wrap:单缩缘式包容区
double rebated warp round fram:双缩缘式弯曲环绕存储器
joint:welded corner miter joint 接合点:焊接的斜角连接接合点
struct’L opening:L式结构开口
cold rolled steel:冷轧钢
1.2mm pressed steel sheet:1.2mm压制钢片
mortar guards:灰泥防护
expansion bolt:引缩螺栓
gralvaniged steel melded @corners:(“gralvaniged”疑为“galvanized”)镀锌钢结合边角 (不太通顺)
pressed steel frame single door:压制钢骨架的单扇门
anchor pipe:锚管
请指教.