你可能感兴趣的试题
steam engine steam turbine gas turbine diesel engine
To prevent internal damage form local overheating To ensure the fuel nozzles are flushed clean To clear the smoke stack To let the waste heat boiler reduce its rate of steam generation
gives up gives in gives away gives off
gives up gives in gives away gives off
watched observed saw showed
The medium speed 4-stroke trunk piston engine The low speed 2-stroke crosshead engine The medium speed 2-stroke crosshead engine The low speed 4-stroke trunk piston engine
gas turbine diesel engine steam engine gasoline engine
made proved spared witnessed
discovered had discovered invented had invented
steam plants, electric motors and compressed air diesel engine, hydraulic machinery and compressed air steam plants, electric motors and hydraulic machinery diesel engines, steam plants and hydraulic machinery
turbine engine gas turbine steam engine internal combustion engine
why which in which on which
it is difficult to cool the engine the driver can only open the hood on a hot summer day the driver has to be very patient it takes a long time to open the hood in summer
Diesel engine propulsion Diesel electric propulsion Steam engine propulsion Gas turbine propulsion
A.vapour steam solar-energy__________ atomic-energy
turns turned turning being turned
Diesel engine propulsion Diesel electric propulsion Steam engine propulsion Gas turbine propulsion
湘公网安备 43130202000226号