It became a steel framed structure, clad with stained cement board.
后来它变成了着色的水泥板镶嵌在钢框架上的结构。
PC board ban and wet cement appearance and acid, alkali touch information appearance.
P C板禁令和湿水泥外表和酸，碱性资料外表触摸。
PC board ban and wet cement appearance and acid, alkali touch information appearance.
P C板禁令和湿水泥外表和酸，碱性资料外表触摸。
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