The bridge project, Caidian Hanjiang River, requires High Performance Light-Weight Concrete due to its structural design changing.
蔡甸汉江大桥由于结构设计变更，要求桥面混凝土采用轻质高性能混凝土。
The bridge project, Caidian Hanjiang River, requires High Performance Light-Weight Concrete due to its structural design changing.
蔡甸汉江大桥由于结构设计变更，要求桥面混凝土采用轻质高性能混凝土。
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