“coal-tar pitch”的概念、定义、翻译、参考文献-科学参考

单词	coal-tar pitch
释义	coal-tar pitch [`kōl ¦tär ´pich] ^MATERIALS Dark-brown to black amorphous residue from the redistillation of coal tar; melts at 150°F (66°C); used as a thermoplastic.
随便看	Cliftonian climacophobia climacteric climagram climagraph climate climate control climate therapy climatic change climatic classification climatic climax climatic controls climatic cycle climatic diagram climatic divide climatic factor climatic forecast climatic optimum climatic oscillation climatic prediction climatic province climatic snow line climatic zone Climatiidae Climatiiformes

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