一、主要特点:采用国产冷弯空腹薄壁型钢做为骨架,重量轻,强度高。外门板采用13毫米厚松木企口板。这种由钢骨架与木板组合而成的翻门具有节约木材、坚固耐用、使用方便等优点。 二、规格及用途:重锤式翻门有两种规格:宽2,800毫米,高2,500毫 First, the main features: the use of domestic cold-formed fasting thin-wall steel as a skeleton, light weight, high strength. The outer door panel is made of 13 mm thick pine plate. This combination of a steel skeleton and a wooden panel has the advantages of saving wood, durability and ease of use. Second, specifications and use: heavy hammer type door has two specifications: width 2,800 mm, height 2,500 millimeters