英语词汇“concave grating”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	concave grating
释义	concave grating noun : a reflection grating ruled on a concave mirror
随便看	pai paiche paid- paid paid paideia paid-in surplus paido- paido paid-up paid-up addition paiement paigeite paigle pai-hua paik pail pail pailette pailful paillard paillasse paillasson paille paille finne

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