coal-mining methods
采煤方法
coal-mining methods中文，coal-mining methods的意思，coal-mining methods翻译及用法
2026-06-20 20:48 浏览次数 24
coal-mining methods 例句
英汉例句
Evaluation of coal-mining methods with weighted gray clustering analysis
定权灰色聚类分析在采煤方法评价中的应用
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