沥青物质 meaning in Chinese

asphaltic substances
bituminous matter
bituminous substance

27 mineral fuels , mineral oils and products of their
矿物质燃料、矿物油及其蒸馏产品；沥青物质；矿物蜡222 , 156
Test method for determination of asphaltenes heptane insolubles , in crude petroleum and petroleum products
原油和原油产品沥青物质测定方法
Mineral fuels , mineral oils and products of their distilation ; bituminous substances ; mineral waxes
矿物燃料、矿油及其蒸馏产品；含沥青物质；矿蜡
Mineral fuels , mineral oils and products of their distilation ; bituminous substances ; mineral waxes
矿物燃料、矿油及其蒸馏产品；含沥青物质；矿蜡