Normal Steel Casting 普通铸钢
non-normal steel beam 非标准钢梁
normal strength hull structural steel 一般强度船体结构钢
steel bars of normal rolling 常规轧制钢筋
Material: steel Normal steel material , washed by hydrochloric acid. long time for using without fading ( options for color)
此款产品为全钢结构普通钢材处理成型：经酸洗表面喷户外粉末涂料，耐候性久；（表面颜色可供选择）
Under the scheme, 78 steel panels will lie on the seabed until activated when high tide is more than 1.1 metres above normal.
该工程计划在海床上建78个钢板，当水位超出警戒线1.1米以上时，挡板就会被启动。
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