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Use of on-site burial of pore water pressure meter, to pore water pressure dissipation over the situation to determine the number of tamping, tamping the time interval between times.
利用现场埋设孔隙水压力仪，以孔隙水压力消散情况来确定夯击遍数、夯遍之间的间歇时间。
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The meter alignment interval time is one year.
本仪表校准时间间隔为一年。
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模块上移
模块下移
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