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- Based on similarity theory physical model is employed to study shaft excavation by one-step deep-hole basting. 在相似理论分析基础上,对一次爆破成井4种天井断面布孔形式进行室内模型试验。
- Safety management of inclined shaft excavation was the whole process for safety production supervision,examination management and security contr... 斜井开挖安全管理是施工过程中的全过程安全生产监督、检查管理、安全控制。
- The spoiling is a key factor influencing the advance speed for the shaft excavation,especially for the excavation of large cross section and deep shaft. 对于竖井开挖 ,尤其是大断面深竖井开挖 ,出碴这一环节 ,往往是决定掘进速度快慢的关键因素。
- Applying PDCA Circulation to Improve Shaft Excavation 应用PDCA循环,提高井巷贯通质量
- 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。
- A slot for a key in the hub or shaft of a wheel. 键槽轮子的毂或轴里的键的沟槽
- Control of Blasting Vibration Arising from Vertical Shaft Excavation in the Southern Hall of the Guangzhou East Metro Station 广州地铁东站南厅竖井石方爆破震动控制
- Flexibility, as in the shaft of a golf club. 弹性,韧性柔韧性,易变性,如高尔夫球棒的柄
- Keywords Shaft Excavation by One-step Blasting;Blasting Crater;Rock Blastability Numerical Simulation;Physical Model Experiment; 一次爆破成井;爆破漏斗;岩体可爆性;数值模拟;物理模型试验;
- Shaft to ventilation and excavation, repair qanat soil when used. 竖井是为了通风和挖掘、修理坎儿井时提土之用的。
- In rotating, the shaft splashes oil up into the bearings. 当轴旋转的时候就把油溅入轴承。
- A framework to support or strengthen a mine or shaft. 井壁基架用来支承或加固矿井的构筑
- A shaft on which a working tool is mounted, as in a dental drill. 心轴用于安装工具的蕊棒,如牙钻蕊棒
- The part of a machine shaft or axle supported by a bearing. 轴颈机械的转动轴或轮轴中由轴承所支撑的部分
- An inclined or vertical shaft or passage between levels in a mine. 小暗井矿井里层与层之间倾斜的或垂直的竖坑或通道
- 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。
- An excavation site, as for digging ore. 矿区矿区,如挖矿的采掘地