“oil-gas tar”的概念、定义、翻译、参考文献-科学参考

单词	oil-gas tar
释义	oil-gas tar [`ȯil ´gas ´tär] ^MATERIALS A type of tar produced during the oil-gas process by cracking the oil vapors at high temperatures.
随便看	contravariant vector contributing structure contributory control control accuracy control agent control and read-only memory control area control bit control block control board control break control card control change control character control characteristic control chart control circuit control code control column control computer control counter control data control day control desk

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