關於asphaltum的百科

• asphaltum造句怎麼寫

• MainminesinAlbaniaincludepetroleum,asphaltum,chrome,copper,nickel,iron,coalandsoon.Summarizeperformancesandcharacteristicsofdifferentformulationsofthreekindsoflubricant-solvateasphaltum,semiliquidandhigh.Summarizeperformancesandcharacteristicsofdiffe...
• 2017-05-074472