LNG储罐内罐壁板
the tank wall plate of LNG storage tank
铝合金整体壁板
aluminium alloy integral panel skin
密肋壁板
Multi-ribbed Composite Wall
旁穿全装配壁板居民楼
tunnel boring underneath close to assembled residential building
网格式整体壁板
integral wing-skin panel
integral panel skin with grid type ribs