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- soft rock compound roof 软岩复合顶板
- Deep grooves channelled the soft rock. 在软岩石上形成许多深槽。
- Any of various mollusks that bore into soft rock or wood. 钻蛀虫钻入松软岩石或木头中的软体动物
- Deep grooves channeled the soft rock. 在质地松软的岩石上形成许多深槽。
- Do you like ballads or soft rock music? 你喜欢听抒情歌曲还是抒情摇滚乐?
- In theory and in practice, soft rock timbering is compound form on the whole, which sometimes cost large or can't reach expect purpose. 而目前对于软岩巷道的支护,大多采用复合支护形式,往往是支护成本极高,或者达不到预期的支护目的。
- The TIR radiation of soft rock is influenced with seawater. 同时发现红外辐射温度变化受海水的影响。
- Get out some conclusion by researching the compound roof separation process and mechanism of preparation roadway under high horizon stress. 通过对高水平应力条件下采区准备巷道复合顶板的离层过程和机理进行研究,得出了相关结论。
- Based on the analysis of the survey of 2116 downhill area,provide three kinds of mining plans,finaly, determin the compound roof mining plan is the optimum one. 在分析2116下山区概况的基础上,提出了3种开采方案,最后选定托复合顶板开采为最佳方案。
- The softer rock has been weathered away into soil. 较软的岩石风化成了泥土。
- The effect of partially acidulated phosphate rock compound fertilizer and the degeneration mechanism of water soluble phosphate in soil were introduced. 介绍了部分酸化磷矿一步法制复合肥的肥效及水溶磷在土壤中的退化机理。
- The plates move slowly and continuously on the atmosphere, a layer of hot, soft rock in the mantle. 板块缓慢连续地在软流圈上移动,该软流圈是指地幔中炽热柔软层。
- The plates move slowly and continuously on the atmosphere,a layer of hot,soft rock in the mantle. 板块缓慢连续地在软流圈上移动,该软流圈是指地幔中炽热柔软层。
- The polypropylene fibre concrete is the new kind of concrete flexible shotcrete layer forms in the soft rock tunnel sup-porting engineering. 摘要聚丙烯纤维混凝土柔性喷层是软岩巷道支护中一种新型的喷层形式。
- Design of Full Anchor Support in Compound Roof 复合型顶板全锚支护设计
- It will lengthen as a result of headwater erosion and, thereby, will cut a valley through both hard and soft rock. 由于向源侵蚀的结果,它不断延长并且穿过软硬岩石从中切出一条河谷来。
- This paper introduces the application about anchor cable jetting combined supporting in broken soft rock drift. 重点介绍了锚索喷注联合支护在碎胀软岩巷道掘进中的应用。
- We have four different styles: soft rock, slow music, love songs and discos - something you can dance to. 大致分为四种风格:抒情摇滚,节奏舒缓的,还有爱情歌曲,迪斯科音乐,那种可以随着跳舞的音乐。
- It is easily collapsed for shallow and unsymmetrical large-span tunnel near portal in soft rock. 软岩地区浅埋偏压大跨度隧道进口段极易塌方。
- Buttes are composed of hard volcanic rock left behind after water eroded away the surrounding soft rock. 这些孤山是坚硬的火山岩在流水侵蚀走周围松软的岩石后形成。