spiral bit

常见例句

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.
將倣生非光滑理論應用於螺鏇鑽頭設計上，以解決粘性土鑽進中螺鏇鑽頭阻力大、粘附嚴重的難題。
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.
該模型包括了鑽頭以及鑽削操作的重要特性，即鑽頭的截麪幾何特征、螺鏇角、轉速和鑽削過程中産生的切削力。

The game continued in a bit of a downhill spiral for another minute or so.
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