Just cut a small cross in the plastic at the spot you will drill.
先在塑料板上要钻孔的地方切一个小十字。
They bore the marks of saws and some of the skulls had drill holes and portions of the bone cut out.
这些骨头有锯子的痕迹，另外，部分头盖骨被穿洞，还有部分的骨头被挖去。
There is no plausible instinct, for example, that could impel a man to leave home, cut his hair short, and drill for hours in tight formation.
但在这些过程中并没有什么看似合理的本性能够驱使人们去做那些特定的事情，比如说离开家乡，剪短头发，然后时时刻刻都在密集的队形里操练着。
Since it is tempered safety glass, you CAN NOT cut it or drill it AT ALL.
由于是钢化安全玻璃，切割钻眼儿的事想都别想。
Set up, adjust and operate single-function machines to mix, drill, grind and cut concrete to specifications in the manufacture of concrete products.
安装，调整和操作单功能机混合，钻，磨，切割混凝土以达到混凝土产品的制造规格。
The pointed end could of course be used as a drill, while the long blades on either side would cut trees or meat or scrape bark or skins.
那尖端的一边肯定可以当成钻头，而两边长长的锋利边缘则可以用来伐树割肉，或者刮树皮扒兽皮。
They can also be used to drill, bore, cut gears, and produce slots.
他们也可以用于钻、钻孔、切槽的齿轮，和生产。
"If you can use recycled materials, you don't have to mine ores, cut trees and drill for oil as much," says Jeffrey Morris of Sound Resource Management, a consulting firm based in Olympia, Washington.
“如果我们利用回收处理后的材料，那么我们就不需要去过多地采矿、伐木与采集原油”，资源利用管理局地杰斐瑞•摩瑞斯(JeffreyMorris)讲道，这是华盛顿州奥林匹亚的一家咨询公司。
Retells the life of the legendary African American hero who raced against a steam drill to cut through a mountain.
叙述了非洲裔美国英雄的一生，他和蒸汽钻机比速度，去钻开一座山。
Set up and operate heavy-metal working machines such as brakes, rolls, shears, flame cutters and drill presses to cut, shape and form metal into parts or sections.
设置和操作重金属工作机器，如刹车片，轧辊，剪板机，火焰切割机和钻床，来切割，塑型和成型金属零件或部分。
CUT TO: MULDER screaming as the mouth drill penetrates his soft palate.
切到：当钻头穿过模特柔软的上颚的时候，模特尖叫着。
By taking advantage of rotating centrifugal force and the supporting effect of eccentric short drill collar, we cut off the axis inclination of bit, and avoid well inclination.
利用偏心钻具在旋转过程中的离心力和偏心短钻铤的偏重带的支撑作用，减小了钻头轴线倾角，从而减少了井斜。
There are two kinds of gun drills, namely, the center-cut gun drill used for drilling blind holes and the trepanning drill.
深孔钻有两种类型，即用于钻盲孔的中心切削深孔钻和套孔钻。
Integral spiral heavy weight drill pipe is to extend the central upset of heavy weight drill pipe and to cut spiral groove on heavy weight drill pipe.
整体螺旋加重钻杆是在整体加重钻杆的中间加厚部位延长并铣削螺旋槽。
When processing, if the stable time is obtained, the drill can be moved on Z-axis direction, and can be cut into printed circuit board.
在加工时，一旦经过获得的稳定时间后，钻便在Z轴方向上运动以切入印制线路板。
Based on the machine development, a research and analyses of auger drill bits with different kinds of drill tips and soil cut blade angles were carried out in tree planting field.
在设备研制成功的基础上，对钻孔机钻头不同钻尖、不同切土刀刃角进行了实地试验研究和分析。
I used a mini drill press and bit for the pilot holes and then a table top scroll saw to cut out the Windows.
我用一个小型钻床和钻头的试验洞，然后一张桌子顶端滚动看到削减了窗户。
Part of the crack is cut by drill, the crack surface is dust-colour under naked eyes.
钻孔截取裂纹局部，肉眼可见裂纹表面呈暗褐色。
For small rotary rock drill bits and rotary prospecting bits to cut soft, medium-hard rock.
用于中小规格冲击钻及旋转勘探钻具，凿进软岩层、中硬岩层。
The other blade of the scissors retains the shape of the blades of the ordinary scissors, which is suitable for the children to pierce paper, drill holes, and then hollow out the paper when cut paper.
剪刀的另一个刀片则保持普通剪刀刀片的形状，适合于儿童剪纸时穿纸钻孔然后挖空的需要。
Shoe of small crew cut, grey dacron drill, round day, black in rubicund face bestrewed furrow, person of 58 years old has 779 years old however it seems that.
小平头、灰涤卡、圆日鞋，黑里透红的脸庞布满了皱纹，58岁的人看起来却有七八十岁。
Shoe of small crew cut, grey dacron drill, round day, black in rubicund face bestrewed furrow, person of 58 years old has 779 years old however it seems that.
小平头、灰涤卡、圆日鞋，黑里透红的脸庞布满了皱纹，58岁的人看起来却有七八十岁。
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