“井下增压射流辅助破岩钻井装置”的概念、定义、翻译、参考文献-科学参考

单词	井下增压射流辅助破岩钻井装置
释义	井下增压射流辅助破岩钻井装置 Encyclopedia 工学钻井新技术与装备释 downhole pressurized jet assisted drilling system井下增压射流辅助破岩钻井装置通过安装在钻头上方的井下增压装置，将钻柱中循环的部分钻井液增压后形成增压射流，经钻头的超高压喷嘴喷出，冲击井底后直接或辅助钻头破碎岩石，将水力破岩与机械破岩紧密结合起来，达到提高钻速目的的钻井装置。
随便看	bronzes of the Yan State bronzes of the Zhongshan State Bronzes of Yangxin Family Unearthed near Mao Mausoleum Bronze Square Desk with Golden Dragon and Phoenix Bronze Square Ding of Qinzi Bronze Square Ding of Shu Yu Bronze Square Ding with Human-mask Motif Bronze Square Mirror from Emperor Qi's Tomb Bronze Square Zun Decorated with Four Rams Bronze Standard Measure of Qianlong Bronze Standard Weight of Jiayou Bronze Sundial from Yizheng bronzes unearthed from Bodong's tomb bronze sword with curved blade bronze table frame inlaid with gold and silver,decorated with figures of four dragons and four phoenixes Bronze Tiger-shaped Zun bronze type bronze urn-shaped lei vessel and he vessel of Ke Bronze Vehicle Model of Eastern Han Dynasty at Xingyi bronze vessels unearthed from Xinzheng bronze vessel with two goat heads Bronze Voal Measure of Pingdu bronze ware Bronze wares from the Tomb of Nanyue King bronze wares from Yangjiacun

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