英语词汇directional beam的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	directional beam
释义	directional beam 英?[di?rek??n?l bi:m] 美?[d??r?k??n?l bim] 释义定向波束
随便看	pregrind systme preground pregrounding pre-group pregroup pre-group modulation pregroup modulation pre-groups pregroup system pregrouting pre-grouting from the drifting or sinking face pre-grouting from the surface pre-grouting from the working face pre-grouting from the working face, pre-grouting from the drifting or sinking face pre-grouting with micropipe pre-grouting with small duct pregrown pregrowth pregs pregula p-regular element P-regulating device P.regulating device P.-regulating device (P.-controller, proportional control unit) P. regulating device with centrifugal governor, with auxiliary power

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