关于driller的百科

• rock driller造句怎么写

• Thefootoperatedbrakingmechanismofelectricallydrivenrockdrillerisusedmainlyinbrakingthewalkingmotorofelectricallydrivenrockdriller.StudyandapplicationofthedrillnoisecontrolinthepneumaticrockdrillerAdvantagesanddisadvantagesofnon-valvepneumaticrockdril...
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• driller造句怎么写

• UniversalradialmovabledrillerHeisaskillfuldrillernow.Ihavebeenadrillerfortenyears.Themanwhooperatesabrakeisadriller.Themanoperatingbrakebarisourdriller.Thedrillerfilledthegrillwithsuperbfilm.Theutilitymodelissuitableforcontrollingtheirondrillerandcan...
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