英语词汇“natural tunnel”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	natural tunnel
释义	natural tunnel 【地质学】天然隧道[亦作 tunnel cave]
随便看	improved antiphase evaporation system improved basic allowance improved binomial probability paper improved black improved bound improved branch and bound improved breed improved bubble sort improved Casale closure improved channels improved child allowance improved conventional munitions improved corrective fertilizer recommendations improved croprotation system improved cross improved crossing improved crown grafting improved cycle boiling water reactor design improved data interchange improved design improved dial improved distress communication improved drying oil improved earth road improved effect

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