QK series shallow sampling drilling rig

Qk series of shallow sampling rig is mainly used in geology, metallurgy, water and electricity, railway, transportation, building materials, construction, environmental protection and other industries, light weight, easy to move, high drilling efficiency, suitable for air foam drilling, DTH Hammer

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Selection of flotation agents for tin ore

There are more than ten kinds of tin- containing minerals. At present, the tin used in industry is mainly derived from cassiterite. Due to the high density of cassiterite (6.4~7.1g/cm3), the main beneficiation method of cassiterite is re-election. However, due to the brittleness of the cassiterite,

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Inspection and adjustment of automobile main reducer

In order to quickly attenuate the vibration of the frame and the body and improve the smoothness and comfort of the car, shock absorbers are generally installed on the vehicle suspension system. Currently widely used in cars is a two-way drum shock absorber. The shock absorber is a wearing part du

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