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.

youdao

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.

youdao