单词	光束扩张
释义	光束扩张beam expansion
随便看	immersion pyrometer immersion quenching immersion ratio of propeller immersion reflectometer immersion refractometer immersion roller immersions immersion scale immersion scanning immersion sensor/thermostat immersion suit immersion system immersion test immersion testing immersion thermo-couple immersion thermocouple immersion thermometer immersion transducer immersion type cooling immersion type probe immersion type water heater immersion ultramicroscope immersion water test equipment immersion well photoreactor immersion wetting