... extended surface tube 鳍片管 extended-nozzle bit 加长喷嘴钻头 extended-range SHORAN 高灵敏度肖兰系统 ...
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extended-nozzle bit 加长喷嘴钻头
bit nozzle 钻头喷嘴 ; 钻头钻管
bit nozzle washed out 钻头水眼刺
bit t nozzle 钻头喷嘴
bit nozzle boquilla de taladro 钻头喷嘴
nozzle of mud drilling bit 泥桨钻头喷嘴
Based on this image, I am going to estimate each nozzle to have a radius of about 0.6 meters (although I think that estimate is a bit large).
根据这张图，我估计每个喷嘴的半径约0.6公尺(虽然我认为估计值稍微大了点)。
The influence of bit cutting teeth and its jet nozzle on the flow field is taken into account in the simulation.
模拟中考虑了钻头的切削齿和射流喷嘴对流场的影响。
Field tests also show that the self-resonating cavitation nozzle is highly effective in reducing bit wear, increasing drilling footage and drilling speed.
现场试验同样证实设计的自振空化射流喷嘴在保护钻头、减少钻头磨损及增加进尺、提高机械钻速方面有显著作用。
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