creosote pitch
... 脱油沥青 deoiled asphalt 以脱油沥青 Deoiled Asphalt 杂酚油沥青 creosote pitch ...
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当铁路出售旧的关系，处理是因为它们往往与杂酚油，沥青产品的防止腐烂对待的问题。
When railroads sell their old ties, disposal is an issue because they are often treated with creosote, an asphaltic product that prevents rot.
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