浸渍沥青 meaning in Chinese

pitch impregnation

Derivatives from coal pyrolysis - coal tar and pitch based binders and related products : impregnating pitch - characteristics and test methods
煤热解衍生物.煤焦油和沥青基粘合剂和相关产品:浸渍沥青.特性和试验方法
Derivatives from coal pyrolysis - coal tar and pitch based binders and related products - impregnating pitch - characteristics and test methods
煤热解衍生物.煤焦油和沥青基粘结剂和相关产品.浸渍沥青.特性和试验方法