The wind noise of transmission conductor has been produced by pressure variation caused by the fluid peeling on the conductor surface after wind blowing.
导线风噪声是风吹过导线后，由导线表面的流体剥离所引起的压力变化所产生。
2
Concrete shape after a few days, the surface is a thin layer of massive fall off, tight get peeling bottom often have "rise sand" phenomenon.
混凝土成型几天后，表面薄薄的一层呈块状脱落，紧挨脱皮的底层通常还会有“起砂”的现象。
3
The old paint film cracking occurs, bubbling and peeling, it should be completely removed, repair polished, clean the surface.