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- excavation face support 掘进工作面支护
- The result indicates that the CRD method is the proper construction method on this condition and gives the proper distance between the second lining and the excavation face. 结果表明,CRD法是该级围岩条件下的合理工法,同时给出了二次衬砌应滞后掌子面的合理距离。
- As tunneling and cutting equipment of a shield machine,the cutterhead can excavate stratum,stabilize excavation face,mix soil slag, etc. 刀盘是机械化盾构机的掘削机构,具有开挖地层、稳定开挖面、搅拌渣土等功能,并承受大扭矩、大推力和冲击载荷的作用,其工作状况非常恶劣。
- A study on the limit support pressure at excavation face of shield tunneling 盾构法隧道开挖面极限支护压力研究
- Through changing the face support fashion,the hard roof is managed by cutter top supports to increased cutter top resistance in Qitaihe Tiexi Coal Mine. 七台河铁西煤矿通过改变工作面支护方式,使用切顶支架增大切顶阻力来管理坚硬顶板,使坚硬顶板得到了较好的控制,杜绝了顶板事故的发生。
- A brief comment has been made on the structure models of the overlying strataand the principles for determining the load acting upon the face supports. 本文简述了采场上覆岩层的结构模型及其形成的“给定变形”概念以及原有采场支架受载大小的计算原则、实际测定结果及其存在的问题。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- He tried to put a bold face on his failure. 他对自己的失败装出一副满不在乎的样子。
- The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described. 介绍了掘进工作面防炮崩风筒的主要技术措施及技术结构、应用原理、采用这项技术的具体操作方法及达到的预期效果。
- The specific technical measures of comprehensive dustproof at excavating face are expounded,such as their structure,applied principles and prospective effect. 阐述了采掘工作面综合防尘的各项技术措施的结构、应用原理和达到的预期效果;
- Excavation of the site will begin tomorrow. 明天开始挖掘工作。
- The excavation of the buried city took a long time. 发掘埋在地下的城市花了很长时间。
- The excavation of the bur city take a long time. 发掘埋在地下的城市花了很长时间。
- I dry my hands and face with the towel. 我用毛巾擦干了双手和面部。
- The sea have erode the cliff face over the years. 海水经年累月冲刷著峭壁的表面。
- Stem to wedge connection is inside the seating faces supporting the wedge ears during opening. More robust with less mass. 在开启期间,阀杆与楔板的连接位于阀座表面支撑内。既降低重量,又增加稳固性。
- He stumbled over a stump and fell flat on his face. 他给树桩一绊,摔了个嘴啃泥。
- Get the stardust out of your eyes and face reality. 抛弃天真的想法而面对现实。
- Numerical analysis of the instability of excavation face in shield construction 盾构施工中开挖面失稳数值分析
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。