英语词汇protected coal seam怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protected coal seam
释义	protected coal seam 翻译受保护煤层以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译网络释义 1 [矿业]?被保护煤层 ... 钡钙十字石 wellsite 被保护煤层 protected coal seam 焙 baking ... 双语例句 1 When the protective coal seam is mined, the gas management on the protected coal seam is a very important job. 保护层开采时，对被保护层的瓦斯治理是一项非常重要的工作。 2 The probability of the gushing in a large area can be avoided by mining protected coal seam and adjusting mining program. 从调整开采程序，利用开采保护层实现大面积消除突出危险性；
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