關於driller的百科

• rock driller造句怎麼寫

• Thefootoperatedbrakingmechanismofelectricallydrivenrockdrillerisusedmainlyinbrakingthewalkingmotorofelectricallydrivenrockdriller.StudyandapplicationofthedrillnoisecontrolinthepneumaticrockdrillerAdvantagesanddisadvantagesofnon-valvepneumaticrockdril...
• 2018-11-2328642

• driller造句怎麼寫

• UniversalradialmovabledrillerHeisaskillfuldrillernow.Ihavebeenadrillerfortenyears.Themanwhooperatesabrakeisadriller.Themanoperatingbrakebarisourdriller.Thedrillerfilledthegrillwithsuperbfilm.Theutilitymodelissuitableforcontrollingtheirondrillerandcan...
• 2017-05-0215531