“anthracite duff”的概念、定义、翻译、参考文献-科学参考

单词	anthracite duff
释义	anthracite duff [`an·thrǝ´sīt ´dǝf] ^MATERIALS In Wales, fine anthracite screenings used in briquets or mixed with bituminous coal to fuel cement kilns on chain grate stokers.
随便看	point of inflection point of intersection point of no return point of operation point-of-origin system point of osculation point-of-sale terminal point of switch point of tangency point-placement point projection electron microscope point rainfall point set point-set topology point-slope form points of the compass point source point-source light point spectrum point system point target point-to-point communication point-to-point programming point transposition pointwise convergence

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