最后，他们来到了一条叫做卢比孔的小河边。
刚开始的时候，最好从4到7孔的单音开始练习。
When beginning, it is best to attempt single notes on holes 4 to 7.
很明显是熟练程度不够。别着急，慢慢练，找孔的感觉是一点点培养起来的。
Obviously, you are still not familiar with your harmonica. Practise more to develop the sense.
有一位很善良的姓孔的老妇人。
加工火花塞孔与反孔的复合角度。
Machining the spark plug hole and counter bore at a compound Angle.
他买了块中心有孔的薄金属板。
这些无孔的表面很难以刷子上漆。
所以本设计遵循先面后孔的原则。
So the design follows the surface after the first hole principle.
穿过颅底神经孔的条状强化影。
String like enhancement passing nerve foramen in skull base.
螺孔的大小受套圈厚度的限制。
因此，本设计遵循先面后孔的原则。
Therefore, this design follows the principle of the first hole.
探讨了含大开孔的平板受力特性。
Part 3: Discussing the stress distribution of large-opening in the ship structure.
设计参数包括孔的排列、数量和尺寸。
The arrangement, number and size of the holes are design parameters.
适合三通四通管件侧孔的预胀型加工。
Suitable for side expansion processing of Tee pipe fitting and Cross pipe fitting.
新的冬季通风系统由带孔的塑料管组成。
The new winter ventilation system consisted of a perforated plastic tube.
直接朝着孔的正中心吹气似乎效果最好。
My breath directly into the center of the hole seems to work best.
测量点取在安装孔的中心。
Measurement point is chosen from the center of the mounting hole.
这是适用于深孔的通用型高速钢长钻头。
在钻深孔的时候，有时必须放松进给运动。
When drilling deep holes, the feed movement should be released from time to time.
单纯冲孔工艺，孔的质量不高，使用不广。
The hole punched by pure piercing technology is of poor quality.
对机械产品的多种零件均涉及孔的精加工。
Many parts of machine product all involve finish machining of holes.
通过设计专用工装实现零件穿丝孔的加工；
Through the design special tooling realize parts wear silk hole processing;
采用专用胎具焊接芯骨以保证铸孔的位置精度；
Special pattern was used to weld core iron to guarantee position accuracy of cast holes;
简述了采用活塞异形销孔的必要性及其结构特点。
Research on boring mechanism for piston noncircular pin hole;
通孔的正视图。
基于渐进失效分析方法，建立了带孔的三维有限元模型。
Based on progressive failure analysis a 3d finite element model with a hole is built.
按照所建立的计算模型对含有圆形孔的复合材料板进行应力分析。
Stress of composite material plate with circular hole was analyzed by the model above.
成都市红星路下穿市政隧道首次采用了顶部开孔的自然通风方式。
The first use of urban tunnel with upper vents is HongXing road tunnel in ChengDu.
光线透过窗帘上的一个孔照射进来。
光线透过窗帘上的一个孔照射进来。
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