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Clinical Observation of Photoconductive High-speed Air Turbine Drill in Difficult Extraction of Teeth

光导高速涡轮钻在困难牙拔除中的临床应用体会

Application experience on high speed air turbine drill in tooth extraction

高速涡轮钻在拔牙术中的应用体会

Understanding and acquisition of force characteristic on positive displacement drill are essential to correct design and application of steering power drill in horizontal drilling.

了解和掌握水平井螺杆钻具的受力特征，是正确设计和使用水平井导向动力钻具的基础。

He used a drill to bore a hole in the door.

他用钻在门上钻孔.

The soldiers were at drill in the barrack square.

兵士们在营房的操场上操练.

The Bone Age of Young girls and their Strength drill in Volleyball Training

骨龄和少年女排运动员力量训练

The soldiers were at drill in the barrack-yard.

士兵们在兵营练兵场操练。

The development of production of tools for rock drill in China and present domestic market condition of rock drill tools for hand held rock drills, tools for hydraulic rock drill vehicle, connected rod for pneumatic drill vehicle and tools for down-the-hole drill are summarized and analyzed.

概述和分析了我国凿岩钎具生产的发展和目前国内轻型凿岩机用钎具、液压凿岩钻车用钎具、气动采矿钻车用接杆钎杆以及潜孔凿岩钻具等市场情况。

Self-propelling and rotating drill has the characteristics that can drill in the formed hole automatically change direction along the original hole.

自进式水射流钻头具有欺软怕硬的特性，在已形成的孔中可以自动改变方向沿原孔钻进，能够有效地将已失效的瓦斯抽放孔修复。

The lightest core sampling drill in the world!

世界最轻便的浅层取样岩心钻机!

The PLA and Russian navies held the Maritime Cooperation-2012 military drill in the Yellow Sea off China's east coast focusing on joint defense of maritime traffic arteries.

中俄两国海军以海上联合保交作战为课题，在中国黄海海域举行海上联合2012军事演习。

A plug had been inserted in the drill hole.

钻孔已塞上了塞子。

Drill a series of holes in the frame.

在构架上钻一串孔。

The soldiers were at drill in the barrack-yard .

士兵们在兵营 练兵场 操练.

Study on Wear Mechanism of Twist Drill in Machining ZrO_2/ CePO_4 Composite Ceramics

ZrO2/CePO4复合陶瓷钻削试验中刀具磨损机理的研究

A Comparison of Imitating Conducting Drill and Piano Duet Conducting Drill in Teaching

指挥教学中摹仿演练与双钢琴演练比较研究

The soldiers do rifle drill in the morning.

士兵在早晨做步枪演练.

The Using Effect of a New Kind of ZB-2.5 Comprehensive Protection for Electric Drill in Coal

ZB-2.5新型煤电钻综合保护器的使用效果

By measuring the rock drill in the spoil ground and comparing the amount of soil erosion in slope of the temporary spoil ground and under natural conditions, it is erosion of about 6 times under natural conditions. 6.

临时弃土场测钎法的观测结果表明，临时弃土场边坡的土壤侵蚀量和自然条件下边坡的土壤侵蚀量相比，其侵蚀量约是自然条件下的6倍。

Give students some time to practice the drill in pairs.

学生分组用自己的照片和房间图与同学进行练习。

a falling price of oil reduces the incentive to do expensive things to get the liquid fossil fuel-like drill in the Arctic or mine Canada's boreal forest for tar sands.

油价下跌使得人们不会再以高额代价开采液体燃料，比如北极钻孔或开采加拿大的寒带森林获取油砂。

Polluted and Disinfected Situation of Gastroscope and Dental Drill in Hospitals of Jiaxing City: A Survey

嘉兴市医院胃镜、牙钻污染与消毒质量调查

Thinking Drill in Analytic Geometry Teaching& from the solution to structure

解析几何教学中的思维训练&从构造性解法谈起

The teacher taught us a freehand drill in the physical education class.

体育课上,老师教了我们一套徒手操.

He gave them a drill in the use of bayonets.

他给他们一个在刺刀用法的演练。

The effect of the bearing clearance on the drill in the operations is analyzed.

分析了工程钻机在施工过程中轴承游动间隙对钻机的影响.

The speaker tried to drill in his point but the crowd were not interested.

发言人力图把他的观点灌输给听众,然而听众却不感兴趣.

The speaker tried to drill in his point but the crowd was not interested.

发言人力图把他的观点灌输给听众，然而听众却不感兴趣。

She had lots of drill in listening.

她在听力方面受过许多训练.

Application of rotary drill in enclosure pile construction on waterless sandy Coble stratum

旋挖钻机在无水砂卵石地层围护桩施工中的应用