The advantage of the ice breaking cone for the structures was also discussed in the thesis by studying related ice-cone interaction problems.
同时对冰与锥体作用的相关问题进行了讨论，分析了加锥对结构抗冰的 影响。
To resolve the above problems we have designed a singular one-cone bit. We analyzed the bit to understand the mechanism, the result of breaking the rock, the characters of the fluid field.
针对以上问题设计了一种复锥面异形牙轮单牙轮钻头，为了研究设计的钻头结构是否合理、钻头的井底破岩效果、钻头的井底流场特性等问题，对试验钻头进行了一系列的分析。
The structure of tri-cone rock bit is complicated. As the cutting structure touch the stratum directly, it affects the process of breaking rock and the performance of tri-cone rock bit.
三牙轮钻头结构复杂，其中齿面结构直接与地层接触，对于岩石破碎过程和钻头工作性能的影响最大。
The structure of tri-cone rock bit is complicated. As the cutting structure touch the stratum directly, it affects the process of breaking rock and the performance of tri-cone rock bit.
三牙轮钻头结构复杂，其中齿面结构直接与地层接触，对于岩石破碎过程和钻头工作性能的影响最大。
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