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- 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;
- 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。
- 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 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。
- A tool or machine used for digging or excavating. 挖掘器，挖掘机用于挖掘或采掘的工具或机器
- 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。
- 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。
- A dash of water in his face will revive him. 向他脸上泼水能使他苏醒。
- I felt a certain indisposition to face reality. 我多少有些不愿意面对现实。
- Her face was overclouded with grief. 她的脸色因悲伤而变阴沉。
- His ashen face showed how shocked he was. 他面如土色，说明他多么惊骇。
- The shadow of death is on his face. 死亡的阴影笼罩在他的脸上。
- Her face is sprinkled with tiny freckles. 她的脸上有点点的雀斑。
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- The old lady has a haggard face. 老太太的脸很枯槁。
- An expression of pain flitted across her face. 她脸上闪过一种痛苦的表情。
