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gravel
释义
市政工程词汇手册
gravel
砾，角砾，石砾
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frequency matching
frequency meter
frequency meter
frequency meter
frequency method
frequency mixing
frequency modulated cyclotron
frequency-modulated station
frequency modulation
frequency modulation
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frequency modulation broadcasting
frequency modulation broadcasting (FM broadcasting)
frequency modulation broadcasting--frequency modulation broadcasting (FM broadcasting)
frequency modulation (FM)
frequency modulation (FM)
frequency modulation (FM)
frequency modulation (FM)
frequency modulation--frequency modulation (FM)
frequency modulation--frequency modulation (FM)
frequency modulation index
frequency modulation radar
frequency modulation radar
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