...文教育网 关键词： 煤层群；关键层；首采面；数值模拟；应力分布 [gap=939]keywords: seam group;key strata;first mining face;numerical simulation;stress distribution ...
基于24个网页-相关网页
To ensure safe production, the first mining face is tracking observed.
为保证安全生产，对首采面进行了跟踪观测。
Face to the mixture situation of people and god, the first task of Sima Qian's book historical Records is to identify opponents of materials, from mining historical data, looking for historical clues.
面对人神杂糅的情况，司马迁著作《史记》首要的任务就是要对手中的材料进行鉴别，从中挖掘史料，寻找历史线索。
Due to some reasons of the face arrangement, the gas-suction effect, and so on, the first choice is the method of gas-suction over mining.
由于采场接替、抽放效果等诸多原因，随采随抽瓦斯方法为首选。
应用推荐