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	Picea breweriana picea brewerianas Picea complanata picea complantata mast. Picea crassifolia picea crassifolia kom Picea Dietr. Picea engelmannii picea engelmanniis Piceaepollenites Picea excelsa Picea excelsa Link. Picea farreri Picea glauca picea glaucas Picea jezoensis Picea jezoensis var. komarovii Picea jezoensis var. microsperma Picea koraiensis Picea likiangensis picea likiangensis(franch.)pritz. Picea likiangensis var. balfouriana Picea likiangensis var. linzhiensis Picea mariana Picea mariana BSP.

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