Corrosion of coastal floodgates in environments such as seawater, dry wet exchange, exposure in sunlight, coastal salty air, marine animals and plants and moist air was described.

• 分析了沿海挡潮钢闸门长期受浸泡海水、干湿交替、日光曝晒、沿海盐雾、海生生物及潮湿空气的腐蚀情况。