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　　DW2-50轮胎式双臂液压凿岩台车顺应于矿山、冶金、水电、铁路、公路及国防等领域巷道、涵洞的开挖、掘进中凿岩（炮孔锚杆孔、注浆孔、超前支护孔）事情。该机接纳全液压驱动单臂凿岩，凿岩速率可达0.8-2米/分钟，柴油机四轮驱动轮胎底盘行走，配有两套液压完全平动钻臂顺应于巷道截面（宽×高）4.5X4.5-8.9X6m以下巷道作业，爬坡<14°。

DW2-50 Hydraulic drilling jumbo is suitable for tunneling drilling of roadways and  mines, railway, hydropower,  and national defense. The machine adopts hydraulically driven single-arm rock drilling, and the rock drilling speed can reach 0.8-2m/min. The diesel four-wheel-drive tire chassis can be walked. It is equipped with a hydraulic fully-translating drilling arm adapted to the tunnel section (width x height) 4.5X4.5-8.9X6m lane work, climbing <14°.