英语词汇“primary principal focal distance”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	primary principal focal distance
释义	primary principal focal distance 英?[?praim?ri ?prins?p?l ?f??k?l ?dist?ns] 美?[?pra??m?ri ?pr?ns?p?l ?fok?l ?d?st?ns] 释义 [医]第一主焦距，主焦距
随便看	backing system backing tape backing test backing texture backing track backing turbine backing-up backing up backingup backing up of sewage backing up recordings backing-up roll backing up roll backingup roll backing-ups backing-up screw backing up strip backingup strip backing vacuum backing vacuum pump backing vessel backing weft backing weld backing welding backing weld(ing)

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