A double casing sealed structure is used in the ionization chamber with thin Windows of large diameter.
电离室采用大口径双重密封结构，制作工艺难度大，要求高。
Upper section composed of driving sprocket upper casing with rails (double chain) and discharging outlet.
上部区段，由传动链轮及带有轨道(双排链)的上部机壳、卸料口组成。
Thee main products are: all kinds of diamond drill bits, PDC bits, casing boots, reaming, single and double tube wireline coring drilling, coring drill pipe, casing and other drilling tools.
主要产品有：各类金刚石钻头、复合片钻头、套管靴子、扩孔器、单双管绳索取芯钻具、绳索取芯钻杆、套管及其它钻探工具。
Automatically set MP3, OGG, WMA, M4A, APE, FLAC, MPC tags, organize your photos based on their type or size, fix irritating issues like double Spaces or wrong casing in file names, and much more.
自动设置MP 3,OGG格式，的WMA,M4A等，APE,FLAC音效，货币政策委员会的标签，整理您的照片根据它们的类型或大小，修复如双空格或文件名错误的外壳，以及更多刺激性的问题。
According to the basic conditions of Tahe oil field, the paper discusses the reasons of using single stage double plugging cementing methods in intermediate casing.
根据塔河油田的基本情况，分析了技术套管固井使用单级双封固井技术的原因。
A mechanical analysis on liquid medium filled in double-layer combined casing was conducted. An expressing equation of pressure transfer coefficient of the medium was deduced.
对双层组合套管内填充液体介质进行了力学分析，导出了该介质压力传递系数的具体表达式。
The paper introduced how to solve surface leakage of excavated pile with double protective casing and the better results have been achieved.
本文介绍采用双护筒解决挖孔桩地表水渗漏问题，取得了较好的效果。
Pig lift method with U-shape double strings is easy to be limited by size of casing and very complicated in construction operation process. Thus, the large restrictions exist in the field application.
球塞气举方式采用U型双管柱易受套管尺寸限制，且施工作业较为复杂，其应用受到较大限制。
The application tests of double - grade cement injection casing ln the thirty deep holes were done, and associated technical problems are introduced.
介绍了新疆石油管理局钻井公司自行设计加工的双级注水泥接箍在三十多口深井的试验和使用情况；并阐述其相关的技术问题。
A case cover corresponding to an opening of the box body is also a double-layer stainless steel casing and an insulation material layer is equipped in a mezzanine of the casing.
与箱体上开口对应的箱盖也为双层不锈钢壳体，其夹层内设有保温材料层。
It is mainly used as an outer tube for inner control cable. Types of product include coiling outer casing, long-lay outer casing, and double-wire outer casing.
此为专业控制线之套管，品种涵盖螺旋软管、直丝软管、双丝软管。
It is mainly used as an outer tube for inner control cable. Types of product include coiling outer casing, long-lay outer casing, and double-wire outer casing.
此为专业控制线之套管，品种涵盖螺旋软管、直丝软管、双丝软管。
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