They aim to establish the average ice thickness of 10 sites using power drills, snow depth measurements and GPS readings.
他们目标通过电钻，冰雪测量仪器和GPS得出10个地点的海冰厚度平均值。
Third, using warnings only during the development cycle is like doing fire drills with real extinguishers, then using paper cups to douse the real fire.
第三，仅在开发周期使用警告就象使用真正的灭火器来进行防火演习而使用纸杯来扑灭真正的火一样。
They'd started using 'harmonic drills in their mines. The stone was unhappy.
他们在矿井里用谐和钻孔机，让石头不高兴了。
Using a guide pin, the surgeon carefully drills a tunnel through the tibia and the femur.
使用一个导针，外科医生通过胫骨和股骨小心地钻出一个隧道。
I hate using the mechanical drills during Design and Technology lessons, because I feel so unsafe operating the drill with my right hand.
我讨厌用机械演习期间设计和技术经验，因为我觉得不安全的作业演练与我的右手。
There are certain drills that are taught, but these drills are to hone the basic movements and condition the arms for impact using the dummy arms.
虽然也有一些特定的动作训练用在人偶上被教授，但是这些训练主要是用来加强基本动作和训练手臂的攻击力。
The series of Rotary Burrs, technology Drills are the professional tools, using on metal and nonmetal drilling and milling.
旋转锉、工艺钻(磨头)系列：是金属，非金属钻、铣、雕刻的专用工具；高低速车针是各科院所的必备工具。
The series of Rotary Burrs, technology Drills are the professional tools, using on metal and nonmetal drilling and milling.
旋转锉、工艺钻(磨头)系列：是金属，非金属钻、铣、雕刻的专用工具；高低速车针是各科院所的必备工具。
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