This paper expounds the stratum distribution situation of the area of the coal yard from above down, probes into the design scheme of the circular coal yard, and analyzes the general expenses.
阐述了圆形煤场区域从上而下的地层分布情况，探讨了圆形煤场设计方案，并分析了各项费用情况。
"Coal marketing office issued a" Circular on further strengthening product coal quality management notice ", defined the responsibilities of each unit personnel."
煤质运销处下发了《关于进一步加强商品煤质量管理的通知》，明确了各单位人员的职责。
Zhao Peng high in his speech, spoke highly of Datong Coal Mine Group to develop circular economy practices and achievements.
赵鹏高在讲话中高度评价了同煤集团大力发展循环经济的做法和取得的成绩。
In the area or enterprise where are based on coal, extending industrial chain based on coal is a important route for pushing circular economy.
在以煤炭为基础工业的区域或企业，延深煤基产业链是推行循环经济的重要途径。
The circular tube belt conveyor is a new method for hoisting coal in a vertical shaft.
圆管胶带输送机是竖井提升煤炭的一种新方法。
YA circular vibrating screen is suitable for the coal, limestone, gravel, sand, metal or nonmetal ore and other material screening.
YA圆振动筛适用于煤、石灰石、碎石、砂砾、金属或非金属矿石及其他物料的筛分。
The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically.
对落煤过程中平壁煤仓及截面形状分别为矩形、圆形的落煤管起拱的影响因素进行理论研究。
The concealed or subconcealed coal basins are also of circular shapes in the landsat images, but show the negative anomalies in the gravity figure.
隐伏或半隐伏的含煤盆地在卫片上也是环形影象，呈重力低反映。
The concealed or subconcealed coal basins are also of circular shapes in the landsat images, but show the negative anomalies in the gravity figure.
隐伏或半隐伏的含煤盆地在卫片上也是环形影象，呈重力低反映。
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