... 临近流速 velocity of approach 临时保单 provisional policy 临时保险单 binder ...
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Bridge concrete cracks on the types and causes of railway policy of the Provisional Construction of high bridge pier cracks in the control and preventive measures were analyzed and summarized.
阐述桥梁混凝土裂缝种类和成因，对临策铁路高墩桥施工中的裂缝控制和预防措施进行分析和总结。
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