The relation between surface crack space and strata displacement is presented to offer guidelines to water inflow prediction.
建立地层开裂与变形的对应关系，为突水事故的预测预报提供了依据；
The relation between surface crack space and strata displacement is presented to offer guidelines to water inflow prediction.
建立地层开裂与变形的对应关系，为突水事故的预测预报提供了依据；
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