a 中文名 洋洋蜻蜓 英文名 Yanma 法文名 Yanma 德文名 Yanma 身高 1.2m 体重 38.0kg 属性1 虫 属性2 飞行 特性1 加速 特性2 复眼
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Yanma minefield, a block with large gas content, coal thickness variation in structure, is controlled by Fenghuangling Fault and Yuhe Fault.
演马井田是受凤凰岭断层和峪河断层控制的断块，瓦斯含量较高，构造煤厚变化大。
Based on the soaking and continuous leaching experiments, this paper simulated its influence on groundwater environment after mine filling with fly ash from Yanma Power Plant.
对演马电厂粉煤灰进行浸泡和淋溶试验，模拟矿井填充后其对地下水环境的影响。
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