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soundness;sturdiness;fastness
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为寻求一种新的煤的坚固性系数(简称"f值")快速测定方法,以实现煤矿井下工作面煤体f值的现场测定,采用高速旋转机械粉碎煤样的破碎方式开展煤体f值快速测定(简称"粉碎法")实验研究。根据现场实际及煤样粉...
《矿业安全与环保》 2020年01期 关键词: "煤的坚固性系数"," 快速测定"," 粉碎法"," 粉碎时间"," 粉碎机转速"," 正交试验"," 突出预测" 收藏
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