Using this method, we are accurately informed the rock structure in front of the face of tunneling and we may provide information for further construction.
通过该方法可及时、详细地了解开挖掌子面前方岩石结构情况，为施工单位合理安排施工进度和减少工程隐患提供依据。
Using this method, we are accurately informed the rock structure in front of the face of tunneling and we may provide information for further construction.
通过该方法可及时、详细地了解开挖掌子面前方岩石结构情况，为施工单位合理安排施工进度和减少工程隐患提供依据。
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