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- Research on the Service Life of Blast Hole Rock Bit Bearing Subjected to Rare-earth-element Carburizing 提高矿用牙轮钻头轴承寿命的稀土渗碳研究
- The paper introduced the successful application of high bench caving method of using deep hole roller rock bit into the practice of solving the complex goaf area,a stuff problem of this kind. 采用深孔牙轮钻机、利用高台阶崩落法成功地处理了复合采空区,解决了复合采空区处理难的问题,使技术人员在熟练浅采、深采空区处理的情况下,又探索出复合采空区的处理方法。
- full hole drilling-string system 全井钻柱系统
- full hole high-pressure grouting 全孔一次高压注浆
- medium--length hole rock drilling 中深孔凿岩
- Rock music blasted full from the parlor. 震耳欲聋的摇滚乐从客厅传来。
- Rod thread for detachable rock bit 可挂摘钻头用钎杆螺纹
- A Study of full hole distribution of modified palygorskite 改性坡缕石粘土的全孔分布研究
- Cone type roller bearing rock bit 滚柱轴承锥形牙轮钻头
- rock bit for water well drilling rig 打水井机凿岩钻头
- Effect of Machining Process on Rock Bit Cone Break 机加工工艺对钻头牙轮开裂的影响
- He walked with a stride full of purpose. 他迈着坚定的步伐向前走。
- Model of impact between rock bit and wall of well 钻头与井壁碰撞模型的建立及分析
- She has a book full of cuttings about her film. 她有一本书贴满了关于她的一些影片的剪报。
- The druggist put in a full stock of drugs. 那位药商进了一大批药品。
- APPLICATION OF NEW MATERIALS TO ROCK BIT BEARINGS 新型材料在牙轮钻头轴承中的应用
- New York City's Third Avenue is full of gin mills. 纽约市第3大街上小酒吧林立。
- He delivered a long prose full of platitudes. 他发表了一篇充满陈词滥调的文章。
- A big ship ploughed the sea at full sail. 一艘大船张满帆在海面上破浪前进。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。