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- The feasibility of middle_ deep hole blasting in roadway is discussed from present blasting apparatus, blasting technology and work way and the necessity of lifting excavation efficiency velocity and suitability. 从目前的爆破器材、破技术和作业方式等方面论述了平巷中深孔爆破的可行性,以及它对提高掘进工效、度,适应机械化作业线施工的必要性。
- Keywords rock drivage;excavation efficiency;holing; 岩巷掘进;掘进工效;打眼;
- 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。
- We must improve our efficiency as soon as possible. 我们必须尽快地提高工作效率。
- Their labor efficiency is very high. 他们的工作效率很高。
- We were most impressed with/by your efficiency. 你的工作效率很高，我们极为钦佩。
- Our goal is to achieve the maximum of efficiency. 我们的目标是取得最高的效率。
- A diploma is no guarantee of efficiency. 持有文凭不能保证工作效率一定高。
- We must concentrate our attention on efficiency. 我们必须把注意力集中在效率上。
- An efficiency expert on loan from the main office. 从总公司借调的一个效率专家
- His illness has impaired his efficiency. 生病降低了他的效率。
- No one can match up to Comrade Wang in efficiency and vigour. 有效率和干劲方面没有人比得上王同志。
- The bad weather has hung up the work of excavation. 天气不好耽误了挖掘工作。
- The excavation exposed some ancient ruins. 这次挖掘暴露出一些古遗迹。
- Such action can be justified on the grounds of greater efficiency. 以提高功效为依据可以证明采取这种措施是正确的。
- An excavation site, as for digging ore. 矿区矿区，如挖矿的采掘地
- The scientists fixed the date of an excavation. 科学家确定出土文物的时期。
- Efficiency depends on good organization. 高效率依赖于良好的组织。
