“ash yield in coal”的概念、定义、翻译、参考文献-科学参考

单词	ash yield in coal
释义	ash yield in coal Encyclopedia 理学煤工业分析释 ash yield in coal煤中灰分煤完全燃烧后的残渣。
随便看	positional constraint positional consumption positional differential game positional disorder positional error positional error measurement technology positional game positional information positional isomerism polymer positional notation positional number system positional numeration positional system position ambiguity position analysis position analysis questionnaire position angle position-angle effect position care position catalogue position circle Position Classification position classification position coder position construction

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