英语词汇“classification of reserves, category of reserves”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	classification of reserves, category of reserves
释义	classification of reserves, category of reserves 储量级别; 区分和衡量储量精度的等级标准。我国煤炭储量，按精度依次为A、B、C、D四级。
随便看	ptychidio jordani Ptychobarbus Ptychobarbus conirostris Ptychobarbus dipogon ptychocarpus Ptychocheilus Ptychococcus Ptychodactiaria Ptychodera ptychoderid Ptychoderidae ptychodium ptychodont ptychognathus altimanus ptychognathus barbatus ptychognathus hachijyoensis ptychognathus ishii ptychognathus takahasii ptychoid PTYCHOLEPIFORMES Ptycholomoides Ptycholomoides aeriferana nuclear polyhedrosis virus ptycholophorus lophophore Ptychomitriaceae Ptychomitrieae

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