Can you take a stainless cane with 3 mm in diameter and drill a hole of 2 mm alongside the cane at the depth of 3 cm?
你能否用一根直径为3mm的不锈钢棒，在旁边钻出一个直径为2 mm、深度为3cm的孔？
In general can be twist drill hole, but you should drill holes, step and then expanded to the required diameter.
用一般的麻花钻即可开孔，但应先钻小孔，然后步扩大到所需直径。
It is practically the full diameter of the drill and extends the entire length of the flute, its surface being a part of a cylinder.
它实际是钻子的充分的直径并且扩大长度的凹槽，它的表面是圆筒的零件。
Note: It may be necessary to drill clearance holes, twice the diameter of the screw, through the probe to accommodate projecting mounting screws.
注：可能有必要钻一个小孔，直径为螺钉的两倍大，用探头来接触突出的安装螺钉。
Therefore area array CCD is adopted for the non-contact measurement of the diameter of the abrading section of the drill pipe.
鉴于此，采用面阵CCD对钻杆受磨损部位的直径进行非接触式测量。
Make use of small diameter twist drill to change it into drill of wearing intersect holes and put it into the ability education of locksmith.
利用小直径麻花钻，改磨成“排孔钻”，并运用于技工学校的钳工专业技能培。
The overflow tank level and the speed of both the role of Chip can be changed by changing the factors such as the nozzle inlet pressure, drill gage width, nozzle diameter of the PDC bit.
改变喷嘴入口压力、钻头保径宽度、喷嘴直径等影响因素对改变井底漫流层和排屑槽内的速度都有作用；
By changing the nozzle inlet pressure, drill gage width, nozzle diameter factors, to study the changes in these flow fields.
通过改变喷嘴入口压力、钻头保径宽度、喷嘴直径等影响因素，来研究井底流场的变化。
Besides the diameter and inclination of pile foundation drill-hole, it can also be applied to other engineering, such as segmentation sinking, caisson sinking and halite mining by water-solution.
它主要用于测量桩基钻孔的井径与井筒偏斜，也可用于帷幕、沉井井筒测量以及海岸工程、岩盐水溶开采的井下溶腔测量等。
Next, use a 17 mm diameter bore and drill some 'tenth' before the end depth.
接下来，使用17毫米直径钻孔和演练一些'第十'年底前深入。
We use analyzed results of drill cores and median grain diameter to compute bound water saturation of formation.
利用钻井取心分析化验结果和粒度中值，计算地层束缚水饱和度。
In patients with severe osteoporosis, the diameter of the acetabular components should be the same diameter as a drill and additional screws are used tox, or cemented cup is used.
对于骨质疏松患者，宜选用与髋臼锉直径相同的假体并用螺钉固定，或直接采用骨水泥型假体。
Based on analyzing the demands of small-diameter deep-hole drill for vibration drilling, a new inner-chip removal drill was designed.
分析了小直径深孔振动钻削对钻头的要求；设计了一种新型内排屑深孔钻头；分析了该钻头的结构和刃磨特点，进行了振动钻削试验。
What we have done in this paper is of great significance in designing the heavy rock drill to drill deep and large diameter hole.
为大孔径深孔凿岩的重型液压凿岩机的研究与研发打下理论和实践基础。
The drill bit in a cone shape outside has an outer diameter larger than or equal to the drill barrel to form an outer bulge.
钻头外侧呈锥体形状，钻头外径大于或等于钻筒外径形成外凸。
The drill bit in a cone shape outside has an outer diameter larger than or equal to the drill barrel to form an outer bulge.
钻头外侧呈锥体形状，钻头外径大于或等于钻筒外径形成外凸。
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