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- Practice on no pillar mining 无煤柱开采工艺实践
- no pillar mining 无煤柱开采
- It is a key for a high level pillar mining's success to prevent backfill from being destroyed. 充填体不产生大规模破坏是高阶段矿柱成功回采的关键。
- Practice on no pillar actual mining at the combined mining face of the middle and thick seam 中厚煤层综采工作面无煤柱回采实践
- The rooms on the third floor had no pillars, as the courts had; so they were smaller in floor space than those on the lower and middle floors. 圣屋有三层,却无柱子,不像外院的屋子有柱子;所以上层比中下两层更窄。
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- Study of mine pressure with room- pillar mining in Nantun Coal Mine 南屯煤矿房柱式开采矿山压力研究
- Sill pillared mining has been used in Tongshan Copper Mine where high tonnage of ore has been reserved in the sill pillars. 铜山铜矿采用有底柱采矿法留下的底柱矿石量较大。
- That coal mine is no longer worked. 那个煤矿已经不经营了。
- The cruel landlord would bate him no rent. 那个狠心的地主不肯给他减租。
- No horse has a speed comparable to that of his. 没有一匹马的速度能比得上他的马。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- In no minute did the sea run amuck. 倾刻间海上刮起了大风暴。
- Discussion on ventilation leakage law in gateway of room and pillar mining 关于房柱式开采巷道漏风规律的探讨
- No one dared to speak out against the injustice. 没人敢对不公正行为表示公开反对。
- Pillar Mining of Rock Cross - cut with Pseudo - sloping Flexible Shield 伪倾斜柔性掩护支架开采石门煤柱
- No one is allowed to get his ticket out of turn. 任何人都不准不按次序买票。
- No words can express the grandeur of that parade. 阅兵式那宏伟的场面是无法用语言表达的。
- Cream cakes are no long a luxury. 奶油蛋糕再也不是奢侈品了。
- Technical analysis on feasibility of new room and pillar mining method 新型房柱式采煤法可行性技术分析
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
