The technical key points of underwater visual testing of steel and concrete structures are discussed.
对钢结构和混凝土结构水下目视检测的技术要点进行了探讨。
The glass, steel and concrete structures of Chinese cities can be found in almost any city anywhere in the world.
中国城市中由玻璃、钢筋和水泥建成的建筑,在世界其它任何一个地方的城市中几乎都能找到。
This material is not quite as strong as its sister material, cross-laminated timber, which is why the supporting steel and concrete structures will be necessary.
这种材料并不完全强于它的同类型材料——交叉叠合木材,这就是支撑性的钢铁和混凝土结构必须存在的原因。
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