螺旋钻头：铸钢叶片，钻尖，耐磨。
将仿生非光滑理论应用于螺旋钻头设计上，以解决粘性土钻进中螺旋钻头阻力大、粘附严重的难题。
The bionics theory was applied on the spiral bits, and then a non-smooth spiral bit was designed and processed for carried out the problem of serious sticking.
螺旋钻头底部阀门防止钻进过程中钻屑进入到空心的混凝土管中，当钻杆提出同时混凝土浆注入时，钻杆底部的阀门将被打开。
The valve at the bottom of auger can prevent drilling bits entering hollow pipe during operation. When drilling pipe is taken out and concrete grout is injected, the valve will be opened.
在图片中，可以清楚地看到锁芯里的由钻头留下的螺旋状印迹。
In the photo, the spiral striae left by the drill bit can clearly be seen in the plug of the lock.
每个公司要的钻头的形式有区别，长度、螺旋角等各不相同。
Every customer has difference in the type of drill bits, such as length, helical angle and others.
麻花钻切屑槽的螺旋形布局对钻头的刚度和强度有很大的影响。
The spiral composition of the chip flute of the twist drill has great influence on the rigidity and intensity of drill.
电流大小与钻头附近电阻率有关，由另一个螺旋线圈测量。
The magnitude of the current depends on the resistivity near the bit, and is measured by another toroid.
该模型包括了钻头以及钻削操作的重要特性，即钻头的截面几何特征、螺旋角、转速和钻削过程中产生的切削力。
The model includes of important characteristics of drill bit and drilling operation, i. e. sectional geometrical property of drill, spiral Angle, speed and cutting force created during drilling.
每个关卡都很庞大和充满了平衡感，在其间有着巨大的恐龙、海盗之船、螺旋的大钻头、迂回的道路等等。
Each level is large and has a great sense of scale, with huge dinosaurs, pirate ships, corkscrews, loops, and other structures to run on.
本机床是一种采用螺旋面原理磨削钻头的机床。
This machine adopts the principle of spiral face grinding, sharpening drills.
本机床是一种采用螺旋面原理磨削钻头的机床。
This machine adopts the principle of spiral face grinding, sharpening drills.
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