英语词汇“Drill string”字怎么读，Drill string的拼音、意思释义、用法及组词造句例句翻译-英语翻译词典-学习充电-依恋情感网

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词汇	Drill string
分类	英语词汇英语翻译词典
释义	Drill string 英语例句库 Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation. 从钻井泵经过钻柱内部输送到钻头喷嘴的流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出的流体有一定程度的脉动。英语百科 Drill string A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive or top drive) to the drill bit. The term is loosely applied to the assembled collection of the drill pipe, drill collars, tools and drill bit. The drill string is hollow so that drilling fluid can be pumped down through it and circulated back up the annulus (the void between the drill string and the casing/open hole).
随便看	convergence phase control convergence plane convergence point convergence power convergence preserving matrix convergence pressure convergence principle convergence procedure convergence projection convergence projection theory convergence proof convergence property convergence protocol convergence pupillary reflex convergence pupillary reflexes convergence radius convergence rate convergence ratio convergence reaction convergence recorder convergence reflex convergence reflexes convergence region convergence response convergence retraction nystagmus 此情可待表达的情感是什么意思歌曲表达的情感就是歌魂吗是什么意思春秋时期情书代表作是什么意思情感语录游戏穿越火线是什么意思情感故事反转文案短句子是什么意思情感散文小说素材库百度云是什么意思坏熊猫情书是什么意思小麦的情感语录是什么意思情感语录慕尘是什么意思散文表达情感的词句有哪些是什么意思看雪的情感语录是什么意思情感语录配红酒是什么意思情感表达单一是什么意思短文学情感散文是什么意思描述情感心情鸡汤的句子是什么意思盛大的布里亚特婚礼来啦苏州相亲会2017 情感挽回维权案例冰心感情婚姻挽回起诉书情感挽回天蝎女复合方法意和情感挽回机构不可能挽回的婚姻明日之后的婚礼现场布置中西合璧婚礼婚礼布置哪家好约会使坏技巧河南周口一家婚礼在外面怎么搭讪帅哥聊天早安情话图片带字句子 mechanical aptitude test mechanical determinism mechanical intelligence mechanism of musical activity mechanism of opposite mechanism theory of cognitive development mechanism versus vitalism mechnism of logical perfection Medard Boss media inyestigation medial forebrain bundle medial geniculate nucleus medial lemniscus median median clustering 六月龄宝宝的营养膳食指南宝宝营养均衡饮食:除了补充维生素D,这些食物也很重要营养均衡,让两岁宝宝健康成长如何科学喂养2岁宝宝 - 合理饮食助力健康成长 9个月宝宝辅食粥食谱大全:营养均衡,助力健康成长新手爸妈必读!一周半宝宝营养补充指南三岁宝宝营养均衡的零食选择如何正确应对8个月宝宝感冒？饮食调理很重要宝宝长两颗牙后的饮食指南 8个月宝宝辅食指南:营养均衡,助力健康成长宝宝高烧怎么办?八个月宝宝高烧吃什么药最好? 一岁8个月宝宝的合理饮食指南营养均衡饮食,让宝宝健康成长宝宝胃火大?这些食物可以帮助缓解如何科学合理地喂养8个月大的宝宝

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