频率变换器 meaning in Chinese

frequency transformer
frequency translator

Commutator frequency changer
整流子频率变换器
Introduction and analysis of methods of measuring the group delay of frequency - translating devices
频率变换器件群时延测量方法的探讨与分析
Liquid pumps - pump units with frequency inverters - guarantee and compatibility tests ; german version en 12483 : 1999
液体泵.带频率变换器的泵组件.担保和相容性试验
For more information about electric motors , frequency changer or slip ring motors please call the company woelf
在生产商和服务商woelf出色的网页上可以找到价廉物美的频率变换器,电动机,集电环（绕线）型转子电动机、绕线转子异步电动机。
Grading standard of quelity for frequency converter used in cabled distribution systems primarily intended for sound and television signals operating between 30mhz and 1ghz
30mhz 1ghz声音和电视信号的电缆分配系统频率变换器质量分等标准

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