The frost heaving damage is main damage form of lining channel in north China, which is an integrative result of temperature, water content, soil characteristic and frost force.

渠道衬砌的冻胀破坏是温度、水分、土质和冻胀力等因素共同作用的结果，是北方地区渠道的主要破坏形式。

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IPOs will continue to be a viable exit channel for high-quality companies with strong growth prospects, and GPs are lining up portfolio companies for sale in the hopes of improved IPO conditions this year.

FORBES: Exit Pressures Are Building In Private Equity