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The measuring of dynamic reflected waves for low strain of pile base has been applied.
桩基低应变动力反射波法检测，以其特有的优势在工程中得以广泛应用。
youdao
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When short waves are sent out and meet an obstacle, they are reflected.
短波发出后，遇到障碍物就反射回来。
youdao
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When short waves are sent out and meet an obstacle, they are reflected.
短波发出后，遇到障碍物就反射回来。
youdao