A.裂縫閉合 B.水力造縫 C.裂縫延伸 D.機(jī)械橋堵
A.0.2~0.6mm和0.6~1.0mm B.0.4~0.8mm和0.8~1.2mm C.0.6~1.0mm和1.0~1.4mm D.0.8~1.2mm和1.2~1.6mm
A.流動(dòng)破壞B.壓力破壞C.孔隙坍塌D.顆粒運(yùn)移