...充填开采;胶结;力学模型;极限跨距;推进速度[gap=2520]Key words: filling mining; cementing; mechanical model; limit span; advance speed...
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极限跨度
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limit span of panel roof 盘区顶板的极限跨度
·2,447,543篇论文数据,部分数据来源于NoteExpress
God saw that he had to limit the life span of humans, or risk creating an enemy that was nearly equal to him.
上帝发现他限制了人类的寿命,否则就是冒险创造了与他平等的死敌。
耶鲁公开课 - 旧约导论课程节选
Environmental campaigners have lost a legal battle to limit the life-span of a landfill site near their homes in Wrexham.
BBC: Hafod Quarry landfill appeal bid lost at High Court
Is three minutes the limit of his attention span?
WSJ: The Consumer Financial Protection Agency Act Is Flawed
Once derided by critics as an example of society's increasingly gnat-like attention span, the site's 140-character limit has in many cases inspired users to be as witty, insightful or informative as they can be in as few words as possible.
CNN: 6 ways Vine's six seconds may change Twitter
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