根据“承力区假说”，建立了牙轮钻头钻进岩石过程的数学模型和模拟方法。
The mathematical model and analogy method for the penetrating process of roller bits arc established according to the load-bearing region hypothesis.
在牙轮钻头的钻进中，水射流是钻进速度快慢的决定因素之一。
Water jet flow is one of the decisive factors for drilling rate during rock bit drilling.
采用该仿真程序可对不同钻井条件下不同结构单牙轮钻头的性能作出比较和判定，也可预计尚未制成钻头的钻进能力。
By using this program, the performances of single cone bits with different structures under various drilling conditions can be compared and evaluated.
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