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对于现代化高效率凿岩设备和柴油(特别是电力)驱动的装运设备而言,加大炮眼深度是改进巷道掘进工艺的最先进的组成部分。与原有的掘进设备如СБУ和БК型凿岩台车相比,掘进工各工序的劳动生产率和整个循环的生产率可提高4倍或更高。
For modern high efficiency rock drilling equipment and diesel (especially electric) powered shipping equipment, increasing the depth of the blasthole is the most advanced part of improving the tunneling process. Compared with the original tunneling equipment such as СБУ and БК drilling rigs, the labor productivity of the excavator and the productivity of the entire cycle can be increased by 4 times or more.