宫山嘴水库大坝291#观测孔坝基渗漏段防渗处理

宫山嘴水库大坝291#观测孔坝基渗漏段防渗处理的英文翻译

基本释义

• Talking on the Foundation Seepage Treated Located in No.291 Observation Hole of the Dam of Gongshanzui Reservoir