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In addition,different kinds of bolt products,such as recoverable bolt,grunting bolt with outer anchor inner grunt and base displacement of deep surrounding rock can be made by different bolt heads. 另外,采用不同类型锚头,可制成杆体可回收式、外锚内注式注浆锚杆和围岩深部基点位移计等几种不同用途的锚杆产品。
(2) The deep surrounding rock observation means with multi-point extensometer, extensometer, acoustic emission instrument; (2)多点位移计、伸长仪、声发射仪等设备的深部围岩观测手段；
deep surrounding rock 深部围岩
The deep roadway surrounding rock of Jinchuan No.2 mine area was crumbly and had obvious creep. 金川二矿区深部巷道围岩岩石破碎,蠕变特性明显,地应力大,巷道变形严重,巷道返修量大,严重制约了矿山的发展。
It is possible to use Gurit without damaging the surrounding rock. 使用古力特炸药将完全可能不造成对围岩的破坏。
It was shown that there was alternation of strong and weak strength-softening region in the surrounding rock of deep roadways. 研究结果表明：深部巷道围岩中存在围岩强度强、弱软化区域交替出现的现象；
Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied. 摘要通过数值计算，研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。
The drilling fluid may interact with the surrounding rock in other ways. 钻井液可能会以其它方式与周围的岩石相互作用。
If the volcano becomes inactive and cools, surrounding rock may be worn away. 如果火山变得不活动并冷却下来，围岩就可能被剥蚀掉。
Their use made the design of roadway surrounding rock supporting safer. 这些结果的应用使巷道岩石支护的设计更趋于安全。
Out of these deep surrounding shades rose high, and glared white, the piled-up mattresses and pillows of the bed, spread with a snowy Marseilles counterpane. 大橱、梳妆台和椅子都是乌黑发亮的红木做的。
A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock. 内变质作用由于周围岩石同化作用而在侵入火成岩内部产生的变化
The Relations Between Rockburst and Surrounding Rock Stress in Underground Chambers. 地下洞室中岩爆与围岩应力的关系。
If the surrounding rock is soft and is later worn away, the walls remain and form ridges called dikes. 如果围岩柔软,日后又被剥蚀掉,这种岩壁就下来形成山脊,称为岩墙。
On the Relation between Alteration of Surrounding Rock and Gold Mineralization in the Xinchen Gold Ore Deposit. 浅谈新城金矿床围岩蚀变与金矿化的关系
Those of this nature also may feel deeply surrounding the atrocities that have occurred throughout human history. 这些人，也可能会深深感受到四周遍及人类历史所曾发生的暴行。
The present method could make the supporting of roadway surrounding rock safe and economic. 按最优恒阻支护计算方法设计巷道支护，可以达到经济且安全的最佳支护效果。
A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment. 矿的结核一种矿物或矿物混合物的小圆块，通常比表层岩石或矿渣坚硬
The four common surrounding rock mass classification methods,Q-system,RMR method,HC method,and BQ m. 采用Q系统、RMR分类、水电规范HC分类、国标BQ分类等4种常用围岩分类方法对该隧洞进行了围岩分类。
Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability. 锚杆注浆是一种行之有效的控制围岩变形和保证巷道稳定的支护技术。