1. The frame adopts the galvanization steel plate, the contiguous angles of the frame adopt the special components, the frame and angle is a inserted connection, the glass wool heat preservation materials are used inside the frame and sealed with galvanization steel plate to prevent the cooling bridge
镀锌钢板框架：框架采用优质镀锌钢板制作，框架的每个连接角采用专门构件，框架与角为插入式连接，框架内采用保温棉保温，再用镀锌钢板封口，以杜绝冷桥产生，防止保温玻璃棉被风带出来。
2. The frame adopts the aluminum alloy, plastic steel or high quality galvanization steel plate, the contiguous angles of the frame adopt the special components, the frame and angle is a inserted connection, the polystyrene heat preservation materials are used inside the frame to prevent the cooling
框架采用铝合金、塑钢或优质镀锌钢板制作，框架的每个连接角采用专门构件，框架与角为插入式连接，框架内采用聚苯乙烯保温材料，以杜绝冷桥产生，有效防止机组外侧产生凝霜。