A guide hole for discharging crushed grain is drilled in {HEAD ~ the caked grain} by applying {TAIL ~ impact} and rotation to the rotary blades of the drilling machine by use of compressed air, and after the guide hole has been drilled, crushing is carried out with the crusher 
by applying
A guide hole for discharging crushed grain is drilled in { HEAD ~ the caked grain } by applying { TAIL ~ impact } and rotation to the rotary blades of the drilling machine by use of compressed air , and after the guide hole has been drilled , crushing is carried out with the crusher
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