词汇	swelled column
释义	swelled column 鼓形柱
随便看	elevator control lever elevator control system elevator conveyer elevator conveyors elevator crank elevator crib elevatorcup elevator cup elevator-cup elevator design elevator differential angle elevator digger elevator digger with bagging off platform elevator digger with chain lifter elevator digger with transcerse delivery elevator digger with transverse delivery elevator disease elevator dispatching elevator distributing elevator door Elevator door machine elevator door motor elevator door-motor Elevator door system elevator dredge