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Terms for subject Explosives and Explosive Ordnance Disposal containing 稳 定 煤层 | all forms | in specified order only
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稳定煤层厚度变化较大,无明显规则,结构复杂至极复杂的煤层irregular coal seam
极不稳定煤层厚度变化极大,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extremely irregular coal seam
煤层稳定性主要指煤层形态、厚度和结构等的变化程度regularity of coal seam
煤层稳定性主要指煤层形态、厚度和结构等的变化程度stability of coal seam
稳定煤层厚度变化很小,变化规律明显,结构简单至较简单,全区可采或基本全区可采的煤层regular coal seam
稳定煤层厚度有一定变化,但规律性较明显,结构简单至复杂,全区可采或大部分可采,可采范围内厚度变化不大的煤层comparative regular coal seam