Modern coal chemical industry has shown a bright future by transferring its basis from coal carbonization to coal gasification.
现代煤化工将其基础从煤的碳化转向煤的气化，从而展现了光明的前景。
Coal tar has been a historic contribution to modern organic chemical industry.
煤焦油曾为近代有机化工作出了历史性贡献。
Coal tar has been a historic contribution to modern organic chemical industry.
煤焦油曾为近代有机化工作出了历史性贡献。
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