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- Core drill machines can be powered by electric, hydraulic or air power sources. 核心动力的电动钻机器能、水力和空气动力来源。
- Introduction is made on the development, technical parameters, main features, version verification test, production trial and appraisal of CD - 3 core drill. 介绍了CD-3型岩心钻机研制情况、技术参数、主要特点及型式检验、生产试验和鉴定情况。
- Taking the superfinishing of thin-wall hole machining as an example, the design and application of combined carbide core drill and reamer are introduced. 以本厂簿壁孔精加工为例，介绍了硬质合金扩铰复合刀具的设计、结构参数、使用情况及应用效果。
- Shanghai Jeichu Machinery &Electric Co.,Ltd. is manufacturer specialized in research, production and sales of Diamond Core Drill ,Will Saw and Diamond Series Tools. 上海杰出机电有限公司是集研发，生产，销售于一体的金刚石钻孔机、墙锯机以及金刚石系列工具的专业制造商。
- TypeT10 For making rotary scraping drill bits and rock core drilling bits. T10型用于镶制旋转钻进刮刀钻头及自磨式取岩心钻头。
- Diamond coring bits are utilized for core drilling. 在取芯钻井井段,选用金刚石取芯钻头。
- A core drill bit consists of a steel tube with diamond segments brazed or laser welded on the drilling end. 核心钻头由一钢管或激光焊接金刚石钎环节就完钻。
- Core drilling played a major part in a hospital renovation in Halifax, Florida. 钻探扮演一个重要组成部分,在医院装修哈利法克斯,佛罗里达。
- four groove drill 十字形钎子,十字钻头
- Core drilling techniques are used when precise, circular cuts are needed. 当使用精确的钻探技术,需要削减圆。
- HSS drill bits,auger bit,drills for glass,wood flat bit, concrete core drill bits and chisels,masonrydrills. 我司生产各种高速钢麻花钻;以及木工系列;冲击钻系列.
- Each student studies four core subjects. 每个学生学习四门基础课。
- The main agent Products: Germany Baltur (BDS) Magnetic Block Drilling, Japan RIKEN (RIKEN) hydraulic tools, excellent nicardipine (UNIKA) cemented carbide core drill bits. 主要代理产品：德国百得（BDS）磁座钻、日本理研（RIKEN）液压工具、优尼卡（UNIKA）超硬合金取芯钻头。
- Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman. 研究人员在从阿曼海湾的深海沉积物中钻取的岩芯中发现了同样能说明问题的旱灾的迹象。
- Concrete core drill -- Diamond core bits 混凝土空心钻金刚石空心钻头
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- THIN-WALLED DIAMOND CORE DRILL BITS 金刚石薄壁开孔钻
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
