• 套管扣套管的前提下建议采用特殊扣型套管,提高深井的套管强度。

    On the premise of abrogating the casing collars and the casings with round thread. the casings with special thread and without collar are recommended to be used. in order

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  • 箍式套管两端螺纹,所以套管外径尺寸增大环形间隙便于套管下提高固井质量

    It connects with threads on both ends of pipe body, which allows a smaller casing O. D. and increases annular gap to facility casing running in and improve cementing quality.

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  • 就是为什么通常导航没法适当的关键字一个简单列出的原因(使用对话的”导航)。

    That's why navigation options aren't often listed simply one after another using appropriate keywords (i.e. using "silent" navigation).

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  • 闷热夏日午后我们坐在那单调乏味办公室倾谈。戴着耳环,身穿牛仔裤,脚踏一双Keds黑色高帮系带胶底球鞋,还一一根地抽着骆驼牌(Camels)过滤嘴香烟。

    As we sit and talk in his drab office on a sweltering summer afternoon, he's chain-smoking unfiltered Camels and wearing jeans, a gold stud earring, and black high-top Keds sneakers with no LACES.

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  • 图片采取振动一个按钮遥控器上的控制而不干扰可以继续期待透过目镜图象

    The picture is taken vibration-free by pressing a button on the remote control. Without disturbing you can continue looking through the eyepiece to the image.

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  • 介绍了低温技术SQUID 杜瓦其它领域中的应用

    The applications of cryogenic adhesive bonding technology in SQUID non - magnetic Dewar and other fields are introduced.

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  • 对比纤维拉伸实验表明环氧树脂不仅纤维布,纤维布有保护作用,而且能够显著提高拉伸强度

    The experiment compare of carbon cloths tension strength with and without glue indicates that the epoxy resin can not only make the fiber adhesive united but also increase the tensile strength.

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  • 文章介绍了蜜胺衍生物作为刺激性气味甲醛给予体性能影响

    Effect of melamine derivative as pungent odorless formaldehyde donor on bonding properties of adhesive was also described.

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  • 范围选择提供正确的低压母线电压

    No load tap ranges should be selected to provide an adequate low-side bus voltage.

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  • 、卷采用气动装置单独电机驱动工位收料,停机高速自动功能提高工作效率

    Reeling is equipped with shaft - less pneumatic cone top device, individual motor drive, double work - place, non - stop high speed automatic picking function, which upgrades the working efficiency.

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  • 第1部分焊绕一般要求试验方法使用指南

    Solderless connections - part 1: wrapped connections - general requirements, test methods and practical guidance.

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  • 本文研究了含铅硼酸盐玻璃磷酸盐封玻璃。

    In this paper both lead borate sealing glasses and lead free phosphate sealing glasses are studied.

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  • 目的探讨下肢严重创伤需行游离组织移植而患侧下肢血管可供吻修复方法。

    Objective:To explore the reconstruction of severe low limb trauma when there are no usable recipient host blood vessels.

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  • 并分析了产生这种差异原因主要经典强度准则表达式中采用的拉剪耦合假设与层之间理想假设,适用于单层板或正交各向异性板。

    The main reason came from the assumptions of non-tension-shear coupling whose is correct only for lamina and orthotropic laminates, and realistic bond between layers.

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  • 具有加工硬化电弧冲击特性磨削不可机械加工磁性的钢结硬质合金。

    It has properties of hardening after malleablization, arc welding and impact resistance. It can grind but can not machining demagnitized steel-bonded carbide.

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  • 铬组工人吸烟与否,尿维生素排出量井差异而且均低于对照组

    Moreover, no difference in excretion was shown between the esposed smokers and nonsmoker, yet both of them was also lowered than that of control.

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  • H4推力高度转矩推力盘。

    Note: H4 is the height of thrust attachment, torque mode without this attachment.

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  • 军士们手持长矛,可构成坚实防线对抗骑兵步兵都傲然惧,必要时亦可圆阵敌。

    Their large shields, and spears make them a solid defensive unit, able to resist attacks from both foot and horse, so long as they are well supported. If necessary they can form a defensive circle.

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  • 患者情况好转达撤机标准后,拔除气管插管给予口鼻面罩创呼吸机机械通气

    When the standard of extubate achieved, he will be extubated and given non-invasion ventilation by oral-nasal mask.

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  • 目的探讨下肢大面积软组织缺损采用游离组织移植修复供血血管可供缝解决办法。

    Objective To provide a clinical method in the treatment of large soft tissue defect in lower extremities by free flap transfer in the cases without usable blood vessels in the receiving ares.

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  • 介绍了变压器用管形励磁开关排列方式及管形开关优化设计

    The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.

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  • 介绍了变压器用管形励磁开关排列方式及管形开关优化设计

    The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.

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