reclaimer造句
ThereclaimerofChinesetraditionaloperaresearchin20thcentury;TheConstructionofIdealMotionCurveofCoalRakeofStacker-reclaimerbyPolynomialsLectotypeofmotorsandcalculationofdrivingpowerfortravelmechanismofa...
ThereclaimerofChinesetraditionaloperaresearchin20thcentury;TheConstructionofIdealMotionCurveofCoalRakeofStacker-reclaimerbyPolynomialsLectotypeofmotorsandcalculationofdrivingpowerfortravelmechanismofa...