【机械工程】径向锯齿【运输】辐射式锯形齿轮

helico-centrifugal pump, radial pump (radial-flow pump)

aorto-coronary radial artery bypass grafting

radial piston gearing of the Thom type

radial acceleration

radial drilling machine

ligamentum collaterale radiale【解剖】;radial collateral ligament【解剖】

multi-stage radial-flow pump

new series radial drilling machine