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红包扫雷送金币 EMAIL: firstname.lastname@example.org
used hydraulic well rig pneumatic water well drilling machine
pneumatic water well drilling machine
红包扫雷送金币scope of application:
1. This drill is suitable for engineering geological survey of railway, hydropower, transportation, bridge, dam foundation and other buildings.
2. Geological core drilling and physical survey.
3. Drilling of small grouting holes and blasting holes.
红包扫雷送金币used drilling rig