There are 2 new well completions, that are hydraulic sand jet perforation and hydraulic slotted liner technique.
有2项新型完井工艺，即水力喷砂射孔和水力割缝。
The application of programmable controller enhances automatic grade of sand jet line of production with convenient operation and reliable performance.
用可编程序控制器控制钢管壁面喷砂除锈作业线，提高了自动化程度，操作方便，运行可靠。
The governing equations for a planar horizontal sand jet with interphase slip and heat transfer are constructed, and solved with the aid of the modified and extendcd general program.
构造了存在相间滑移和换热的平面水平含沙射流的封闭控制微分方程组；
This paper presents sand and cobble foundation treatment of overflow dam, guide wall and overflow weir by "high pressure jet grouting" at an in Hydropower Station.
本文主要介绍应用“高喷”技术对安居水电站溢流坝、堰坝导墙、溢流堰天窗沙卵石基础处理的方法和体会。
This image is typical of midday lighting, notice how the foreground sand is totally white and the shadow is jet-black.
此图片是典型的中午照明，通知的前景如何砂完全是白色的影子是黑色。
Fine sand layers sealing, vibrating percussion and high pressure jet grouting method are adopted usually in practice to improve fine sand layers structure and prevent them from being liquefied.
工程中通常采用封闭砂层、振冲和高压旋喷桩等方法施工，以改善砂层结构，防止砂层液化。
The design, construction and result inspection were introduced through a example of project to reinforce sand-drift layer in excavated holes of grouting piles by rotating jet grouting technology.
通过工程实例，介绍利用旋喷注浆技术加固灌注桩挖孔内流砂层的设计、施工及效果检查。
This article introduced the structure, working mechanism and application of jet flow sand washer.
本文介绍主动脉内气囊反搏和体外反搏装置的原理和临床应用。
This article introduced the structure, working mechanism and application of jet flow sand washer.
本文介绍主动脉内气囊反搏和体外反搏装置的原理和临床应用。
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