Nowadays, such metal as steel has been widely used as tube material, but the corrosiveness of secondary refrigerant (glycol water) to metal tube has negative effect on the long-term stability.

• 目前，钢材等金属材料由于其具有较高的热导率而被广泛地用作盘管材料，但乙二醇溶液对钢等金属的腐蚀性会对盘管工作的长期稳定性产生严重影响。