The backfilling work in Section 4-4 of Section III has been suspended. At present, Hazens has entrusted a third party to conduct geotechnical survey to determine more economical and reasonable technical treatment measures;
The backfilling of the 4-4 section of the third bid section has been suspended, and the third party is currently commissioning a geotechnical survey in order to determine more economical and reasonable technical treatment measures;
The backfill work in 4-4 areas of the third bid section has been suspended. At present, Hezheng entrusts a third party to carry out geotechnical investigation, so as to determine more economic and reasonable technical treatment measures;