“ash coal”的概念、定义、翻译、参考文献-科学参考

单词	ash coal
释义	ash coal 高灰分煤
随便看	half-tone original half-tone plate halftone positive half-tone processing half-tone reading half tone reproduction half-tone response halftone-rich original halftone screen halftone signal half-tone storage tube half-track half track half-track car half-track carrier half-track combine half-tracked half track recorder half-track recorder half track tape half-track tape recorder half-track tractor half-track truck half-track unit half-track vehicle

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