Origins of crack in JinKeng arch dam that are discussed in this article are variety, but the direct origin is that dam body suffers sudden fall of temperature in operating period.
本文讨论的金坑拱坝裂缝的成因具有多重性，其直接成因是坝体经受了气温骤降的恶劣运行工况。
Only analyze the motive, the means, origin cause of formation of the fabrication cost, could make the measure cracking down on the fake, make it crack down on the fake fundamentally.
只有剖析造假的动机、手段、成因，才能制定打假的措施，使其从根本上打假。
Only analyze the motive, the means, origin cause of formation of the fabrication cost, could make the measure cracking down on the fake, make it crack down on the fake fundamentally.
只有剖析造假的动机、手段、成因，才能制定打假的措施，使其从根本上打假。
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