coal-tar asphalt coal tar pitch的意思|示意
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煤焦油沥青
coal-tar asphalt coal tar pitch的网络常见释义
煤焦油沥青 ... tar asphalt mixture 柏油沥青 coal-tar asphalt coal tar pitch 煤焦油沥青 asphalt tar 沥青焦油 ...
coal-tar asphalt coal tar pitch相关例句
The performance and usage of coal-tar asphalt were introduced. Meanwhile, it was assumed the excellent characteristics, mechanism and technology of the modified coal tar pitch.
介绍了煤沥青的性能、用途以及有广泛用途的煤焦油改质沥青的优异特性，改质机理和生产工艺；