词汇	railway subgrade works
释义	railway subgrade works 铁路路基工程
随便看	jet propulsion model jet-propulsion plant jet-propulsion plant, jet-propulsion plant, air-breathing jet-propulsion plant chemical fuels jet-propulsion plant fan jet-propulsion plant, gas-turbine plant jet-propulsion plant operating on chemical fuels jet-propulsion plants jet propulsion plant with RAM jet propulsions jet-propulsions jet propulsion ship jet propulsion system jet propulsion thermodynamics jet propulsion unit jet propulsion using gas produced by combustion jet propulsive efficiency jet prouting Jet Provost jet pulse jet pulverization jet pulverizer jet pulverizermicronizer jet pump