带状螺旋运输机
ribbon type screw conveyer
水冷式螺旋运输机
water-cooled screw conveyor
螺旋式振动运输机
spiral vibrating conveyor
手扶拖拉机运输机组
walking tractor transport unit
拖拉机运输机组
tractor-trailer combinations
差动螺旋机构
differential screw mechanism
长螺旋旋喷水泥土桩
long auger rotary-jet mixing soil-cement pile
垂直螺旋输送机
vertical screw conveyor
vertical screw type conveyer