water percolation disaster是什么意思 water percolation disaster怎么读
water percolation disaster的相关资料
water percolation disaster的用法和样例
- Many speedway tunnels suffered from water leakage in China.There were no associated methods on how to deal with the problem at present.
摘要我国许多高速公路双联拱隧道面临不同程度的渗漏水灾害的影响，如何解决这一课题，目前尚无统一的认识。
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