Give some construction examples to introduce how to take some effect measures to control cracks of long span in RC frame beam.
通过工程实例，介绍应如何在施工实践中，采取各种有效措施以控制大跨度框架梁裂缝的产生。
Give some construction examples to introduce how to take some effect measures to control cracks of long span in RC frame beam.
通过工程实例，介绍应如何在施工实践中，采取各种有效措施以控制大跨度框架梁裂缝的产生。
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