单词	压缩空气阀
释义	压缩空气阀compressed air valve
随便看	frequency transposition frequency trebler frequency-trend relay frequency trimming frequency tripler frequency tunable frequency tuning frequency tuning curve frequency tuning range frequency type telemeter frequency-type telemeter frequency up conversion frequency upconversion frequency upconversion laser frequency variation frequency variation method frequency variator frequency vft frequency vft--modulation frequency, vibration frequency-- vibration frequency; vibration frequency-- video frequency; video frequency-voltage converter