英语词汇“natural asphalt”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	natural asphalt
释义	natural asphalt natural asphalt [′nach·rəl ′as‚fȯlt] (geology) native asphalt natural asphalt Asphalt occurring in nature, produced from petroleum by natural evaporation or distillation; usually not suitable for paving purposes until refined and softened to proper consistency by combining with flux oil.
随便看	daybreaks day brite industrial manufacturing day by day echelon (game) echelon grating echeloning echeloning of forces echelon institute of management development echelon lens echelon local du service médical echelon matrix echelon, michelson echelons echelons above brigade echelons above corps echelons above corps communications improvement program echelons above corps intelligence center echelons above division echelons above division - expanded echelons above division study echelons below theater echelons corps and below echelons of maintenance echelon system echem

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