“natural asphalt”的概念、定义、翻译、参考文献-科学参考

单词	natural asphalt
释义	natural asphalt [`nach·rǝl `as´fȯlt] See <<native asphalt>>
随便看	passive junction passive margin passive metal passive method passive network passive permafrost passive radar passive reflector passive satellite passive solar system passive sonar passive system passive transducer passivity pass point passthrough password past past Cauchy development paste pasteboard pasted-plate storage battery paste ink pastel pastel fixative

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