英语词汇“extremely irregular coal seam”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	extremely irregular coal seam
释义	extremely irregular coal seam 极不稳定煤层; 煤层厚度变化极大,呈透镜状、鸡窝状,一般不连续,很难找出规律,可采块段分布零星的煤层。
随便看	normal duty oil normal dwarf normal dwarves normal dynamic height normale normal ear normal earning normal earnings normal earth normal earth fixed axis system normal earthquake normal ECG normal echo normal economics normal eddy-current loss normal edema normal edition normal education normal effect normal effective head normal effect of flooding normal effort normal eigenvalue problem Normal ejaculation Normal EKG finding

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