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- open pit quarry 露天矿场
- Mining and Transportation Design of Deep Open Pit Limestone Quarry: An Example of Zhujiang Cement Co., Ltd. 珠江水泥有限公司凹陷露天石灰石矿开采与运输设计。
- A small open railroad car propelled by a hand pump or a small motor. 手泵式四轮小车由一个小马达或一台手泵驱动的小型无篷路轨车
- The small open window high in the wall. 墙上高处开着的小窗子。
- A small open gazebo or pavilion. 凉亭小型的开敞的凉亭或帐篷形物
- Different condition of economy and technology define different open pit limit. 不同的经济技术条件确定不同的开采境界。
- The application conditions in the open pit of JDC were simply recommended. 并将预裂爆破在金堆城露天矿的应用情况作了介绍。
- A small opening, as in a wall or rock face; a crevice. 裂缝,裂口在墙壁或石头等上面的小开口; 裂缝
- Rain has serious effect on the operation of long and narrow deep open pit. 降雨对狭长深凹露天矿的生产有严重的影响。
- A small opening or pore,as of a fruiting body. 小孔小的开口或小孔,如子实体的
- Any of the small openings or pores in a sponge. 孔隙海绵上的小孔或小口
- A small opening or pore, as of a fruiting body. 小孔小的开口或小孔,如子实体的
- One day a small opening appeared. 一天,蝶茧出现了一条小缝。
- MAINTENANCE AND HARNESSING OF WATER-CONTAINING SILTY AND FINE SAND BED IN SOFT SLOPE OF OPEN PIT. 露天松软边坡内含水粉细沙层的维护治理。
- They all have large middles and small openings. 都是肚子大、开口小。
- These small openings are called nectaries. 这些小孔叫做蜜腺。
- To intelligentized designing and mining the open pit,the information system of mine shoule be set up. 为实现露天矿山人工智能开采设计,需建立起矿山的信息系统。
- It is shown that the big inclination conveying has good application prospect in large open pit mines. 应用表明,大倾角运输在大型露天矿具有良好的应用前景。
- Small open torque, seat almost without attrition and long serving life. 开启力矩小,密封副无摩擦转动,阀门使用寿命长。
- In this paper,the glide mechanism of the open pit slope in Yang Ji Shan Gold Mine is analysed. 本文根据洋鸡山金矿露天采场边坡滑移危害,分析了滑移机理。