The drilling machine structure is compact, and at the same time promote the carriage with adjustable compensation function, when drilling carriage support on the ground, borehole stability is good.
该钻机结构紧凑，同时推进滑架具有伸缩补偿功能，钻孔时滑架支撑在地面上，钻孔稳定性好。
The drilling machine structure is compact, and at the same time promote the carriage with adjustable compensation function, when drilling carriage support on the ground, borehole stability is good.
该钻机结构紧凑，同时推进滑架具有伸缩补偿功能，钻孔时滑架支撑在地面上，钻孔稳定性好。
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