coal tar pitch coating的意思|示意
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煤木焦油柏油防腐层
coal tar pitch coating的网络常见释义
煤焦油沥青防腐层 ... Coal tar pitch volatiles 挥发性煤焦油沥青 coal tar pitch coating 煤焦油沥青防腐层 coal tar-pitch 煤脂焦油类 ...
coal tar pitch coating相关短语
1、 epoxy coal tar pitch coating 环氧煤沥青防腐层