煤焦油基
基于1个网页-相关网页
The company is located in energy and heavy chemical industry base, there are unique requirements for the production of black coal tar of high-quality resources.
公司地处能源重化工基地，有得天独厚的生产炭黑所需的优质的煤焦油资源。
youdao
应用推荐
模块上移
模块下移
不移动