In contrast to composite foundation and pile preloading, foundation improvement by vacuum preloading is of many unique virtues and very suitable for improvement of large-area soft foundation.
相对复合地基和堆载预压，真空预压方案具有许多独特的优点，非常适合大面积的软基处理工程。
In contrast to composite foundation and pile preloading, foundation improvement by vacuum preloading is of many unique virtues and very suitable for improvement of large-area soft foundation.
相对复合地基和堆载预压，真空预压方案具有许多独特的优点，非常适合大面积的软基处理工程。
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