backwall grouting的意思|示意
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后墙灌浆
backwall grouting的网络常见释义
壁后注浆 ...壁后注浆；水下止浆垫 [gap=1535]Keywords : deepvertical shaft；geophysical prospecting；water inrush；backwall grouting；grouting pad under water ...
backwall grouting相关短语
1、 grouting at shaft backwall 壁后注浆