求翻译：Generally coal tar is separated into pitch and tar oils such as light oil, carbolic oil, naphalene oil, wash oil, and anthrace oil by distillation是什么意思？

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悬赏分：1 - 离问题结束还有

Generally coal tar is separated into pitch and tar oils such as light oil, carbolic oil, naphalene oil, wash oil, and anthrace oil by distillation

问题补充：

匿名	2013-05-23 12:21:38 分为一般煤焦油沥青和焦油，如轻油，酚油，naphalene油，洗油和蒸馏油anthrace

匿名	2013-05-23 12:23:18 一般煤炭tar是分成摊位及焦油油例如轻油、石炭油、naphalene石油,洗油、和anthrace油蒸馏

匿名	2013-05-23 12:24:58 Ã航褂Í通常被分离入沥青和高粘重质原油例如轻的油、碳油、naphalene油、洗涤油和anthrace油由蒸馏

匿名	2013-05-23 12:26:38 转化为诸如轻质油、二异丁烯、 naphalene 油、洗油和 anthrace 石油沥青和沥青油分离煤焦油蒸馏法一般

匿名	2013-05-23 12:28:18 通常煤焦油被分成球场和焦油(例如轻油)，碳油，naphalene 油，通过蒸馏洗油和anthrace 油

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