The successful eight times blasting carried out in Chenggaoshan mountain chamber provides helpful experience for digging of large amount of soil and rock by blasting in town region.
程高山八次硐室爆破的成功实施为城镇地区大量土石方的爆破开挖提供了有益的经验。
The drilling rig is mainly used in soil and rock anchoring, consolidation of road base, dam base and retaining wall, and blasting hole drilling and jet-grouting.
该钻机主要用于土、岩锚杆、路基、坝基、挡土墙加固、爆破孔等钻孔工程以及高压旋喷孔的施工。
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