坝内引管法固结灌浆
consolidation grouting inside dam by guide tube me
超前固结灌浆
advance consolidation grouting
无盖重固结灌浆
no cover-weight consolidation grouting
Consolidation Grouting without Cover Weight
nongravity capping concretion grouting
non-cover-weight consolidation grouting
灌浆方钢管桁架
truss made of grout-filled square steel tube
灌浆方钢管
grouted-square-steel tube
灌浆处治
injection grouting process
slurry penetration treatment