雨水溢流闸箱 storm-water overflow chamber

绞车闸箱 winch brake case

电闸箱装饰 electric gate box decoration

电闸箱装饰画 switch box decorative painting

电闸箱装饰盒 switch box decoration box

浮箱式闸门 floating bulkhead

浮箱闸门 floating bulkhead gate

模型箱闸刀开关 mould case fused knife switch

沉箱式坞闸 caisson gate

闸门控制箱 JXD-ZKK