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A belt soil retaining plate mechanism of disc bit

A belt soil retaining plate mechanism of disc bit

Rotary digging rock bulldozing bit

Rotary digging rock bulldozing bit

Rotating drill screw expansion device of the hydraulic control system

Rotating drill screw expansion device of the hydraulic control system

Rotating drill rotating device hydraulic converter

Rotating drill rotating device hydraulic converter

Rotating drill with a universal joint

Rotating drill with a universal joint

Mining emulsion proportioning device automatically

Mining emulsion proportioning device automatically

Concrete pouring pile construction with mud purification device

Concrete pouring pile construction with mud purification device

Which has the function of mud making and remote platoon slurry filling pile of mud

Which has the function of mud making and remote platoon slurry filling pile of mud

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