crude tar oil 粗焦油 Crude and simple, this place had to serve as the meeting hall. 这地方虽然简陋，却是我们的会议厅。
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The project takes pyrogenic dry distillation gas of soft coal in continuous retort as the fuel gas and produces ferroalloy coke and crude tar oil.
本项目是以烟煤在连续炭化炉中热解的干馏煤气作为城市燃气，同时付产铁合金焦和粗焦油。
Transforming tar sands into crude is costly as well as dirty: the process only becomes profitable with oil prices in the $60-85 range or higher.
把焦油沙转换成原油不仅费用昂贵而且对环境造成污染。 当油价在60-85美元范围波动或允许再高一点,这种提炼过程才有利可图。
The proposed Keystone XL pipeline would carry heavier crude oil produced from tar sands in Canada.
计划中的大号拱心石石油管道将用于运输产自加拿大油沙的重原油。
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