Water jet flow is one of the decisive factors for drilling rate during rock bit drilling.

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。

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Based on technical requirements of PIV system, experiment setup was founded and dynamic characteristics of submerged water jet flow were studied.

根据二维piv技术的要求，建立了淹没射流流场研究的实验台架，并对井眼中流动的淹没射流的动力学流动进行了系统的测量。

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Experimental research achievement of new technology of abrasive water jet cleaning with high pressure and small flow is discussed.

论述了高水压、小流量的磨料水射流清理新工艺的试验研究成果。

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In May and June, heavy rains in the basin of the Yangtze river had created an enormous flow of fresh water, and this jet had sluiced the jellyfish towards Japan.

ECONOMIST: A netful of trouble for Japanese fishermen