名词
中文翻译：石油焦
同义词：
['petroleum tar', 'petroleumslag']
例句：
-
1.The oil company used the petroleumpitch to coat the pipes.
这家石油公司用石油焦来涂覆管道。
-
2. Thepetroleum pitch was used as alubricant in the machinery.
石油焦被用作机械的润滑剂。
-
3. Thepetroleum pitch is a valuable resourcefor the oil industry.
石油焦是石油行业的重要资源。