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 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.

youdao

主要用于道路建设、土石方开挖及露天开采，水利工程爆破孔、预烈孔的凿岩工序，是理想的高效穿凿设备。

Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion & pre-intensity, for water conservancy projects.

youdao

主要用于道路建设、土石方开挖及露天开采，水利工程爆破孔、预烈孔的凿岩工序，是理想的高效穿凿设备。

Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion & pre-intensity, for water conservancy projects.

youdao