medium frequency direction finder station
low-frequency direction finder 低频测向器 medium frequency direction finder station 中频测向台 very hellogh frequency direction finder 甚高频测向器 ..
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短语
中高频测向台
medium-high frequency direction finding station
中频-甚高频测向台
MVDF
中频和甚高频测向台
MediumandVery High Frequency DirectionFinding-station
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