Discusses the relationship between pumping speed and inlet pressure of an oil-sealed mechanical pump and the reason why its pumping efficiency drops down.
该文介绍了油封机械泵的抽速与入口压力的关系、泵抽气效率下降的原因，指出泵入口管道的流导和油蒸汽逆流是造成泵抽速下降的主要原因。
An explosion at a BP well in the Gulf of Mexico in April killed 11 men and caused the world's biggest civilian oil spill to date, before the wellhead on the sea floor was finally sealed in September.
4月里，英国石油公司在墨西哥湾的一口油井发生爆炸导致11人死亡，并在9月份被最终封堵之前造成了世界有记载最大一次民用石油泄露。
Following the explosion and fire on the rig, the blow-out preventer on the sea bed should have automatically sealed the well, but it failed, resulting in the massive oil spill.
在油井发生爆炸以及油井起火后，海底上的防喷器本来应该自动将油井封住，但是未能做到这一点，导致大规模的石油泄漏。
As previous analyses of the accident, including BP's own, have shown, the flawed cementing that let oil into the bottom of the supposedly sealed well was not the only issue.
正如之前对于事故的分析(包括BP自己的)所指出的，有问题的水泥灌浆作业致使石油进入到了本应密封的油井的底部，但这并不是全部的原因。
BP's Macondo oil well off the gulf coast was officially declared to be "dead", or sealed by cement.
近日，官方宣布BP在墨西哥湾沿岸的马孔多油田“死亡”，或已被水泥封闭。
NPR's Debbie Elliott reports oil has been leaking since Tuesday night when a boat struck a sealed well head.
据npr新闻的黛比·埃利奥特报道，周二晚上，一艘船撞上了一处密封的井口造成原油泄漏。
There is a lack of dependable layered sand control tools that are rubber sealed and clamp anchored in chemical sand control of oil and water wells with long intervals and multiple layers.
针对化学防砂在长井段多油层的油水井防砂时缺少可靠的胶筒密封和卡瓦锚定的分层防砂工具的问题，研制了水力密闭式分层化学防砂工具。
Radiological health protection standard for using sealed radioactive sources in oil and gas-field logging.
油(气)田测井用密封型放射源放射卫生防护标准。
Note: sealed storage, to prevent the sun, rain or impurities, is strictly prohibited and other oil mixture.
注意事项：密封储存，防止日晒、雨淋或混入杂质，严禁与其他油品混用。
The paper mainly introduced a new MEMS sensor of oil exploration, characters of MEMS sensor structure, medium material and sealed form as well as already reached technical indexes.
本文主要介绍了一种新的石油勘探MEMS传感器的结构特点、介质材料以及封装方式，并详细地介绍了该产品的主要技术指标。
During the installation of the oil sealed dry type gas tank, the demand of mounting precision for foundation column is very high.
稀油密封干式煤气柜在安装过程中，基柱的安装精度要求很高。
The bottom and side edges of the moisture absorbing layer are sealed to prevent the migration of moisture, oil, grease and other contaminants through these edges of the liner.
底部和水分的吸收层侧边缘密封，以防止通过班轮这些边缘的水分，油，油脂和其他污染物的迁移问题。
These tiny, airtight vials, sealed under high pressure, are resistant to water, oil and the most corrosive materials.
这些微小的，密闭瓶，密封在高压力，能抵抗水，油和最腐蚀性材料。
The principle is to transform the measurement of marine sediment's penetrating resistance strength into the change of the oil pressure in the sealed vat.
将测量沉积物贯入阻力强度转变为测量封闭油缸中油液压力的变化量。
The method using movable metal baffle and control valve near water sealed well to block the drain of oil tank group is unreliable and it will widen flowing fire area.
用活动金属挡板及水封井附加控制阀门封闭油罐组排水沟的方法既不可靠又会使流淌火面积扩大。
The oil sealed sliding vane vacuum pump is one of basic vacuum production equipments, wide application and more requirement.
油封式旋片真空泵是真空技术中最基本的真空获得设备之一，应用面广而量大。
A more reasonable and more simple calibration method-the way with pressed oil sealed up by bakelized paper and wax is recommended.
并推荐一种较为合理、简单的标定方法——油压胶带纸腊封法。
First time test on the sea water frost heaving characteristics in sealed bushing of oil well in the sea was made in 1998. A measurement system for the various kinds of parameters is set up.
1998年首次进行了海上油井密封套管内海水冻胀特性模拟试验，建立了一套各种参数的测量系统。
Quality of lustering oil for maintenance in sealed oil supply system is stable and is not subject to oxidization.
密封式供油系统维修上光油的质量稳定不被氧化。
A method for gathering and purifying the oil smoke which was produced by oil quenching tanks and tempering in the whole-sealed and constant-temperature heat treatment plant was introduced.
以一个全封闭恒温车间内热处理油烟的收集与净化为例，介绍了井式淬火油槽和井式回火炉中所产生油烟的收集与净化方法。
Large Shell sealed-mail, the overall operating platform, no leakage, non-stick oil, cleaner, yarn box Seiko manufactured using quality materials.
大罩壳密封邮箱，整体操作平台，无渗漏，不沾油，更干净，纱框采用优质材料精工制造。
The microfacies and their distributions of fan delta front in Shuanghe oil field are analyzed in detail by using sealed coring data, highly dense well patterns and so on.
充分利用密闭取心、密井网等资料，精细剖析了双河油田扇三角洲前缘储层沉积微相及其分布。
As there were leak on contact place between shaft and rotor body in built up hollow rotor, dropping discharg gas speed of pump and efficiency applied of oil sealed sliding vane rotary vacuum pump.
组合式空心转子由于轴头与转子体之间的结合面存在着渗漏，使泵的抽气效率性能下降，从而影响其在应用中的效率。
The sealed media that rubber, and to reduce the swelling of the rubber oil seal, and, as a result, the hardness premature aging and wear;
密封介质使橡胶溶胀，降低了橡胶的硬度，由此油封的过早的老化和磨损；
Such as found in oil-immersed motor oil should be replaced into the water and then sealed components.
油浸电机如发现漏油，应更换密封元件后再潜入水中。
Alloy steel, sealed by adhesive inside, oil-proof, waterproof and anti-corrosion, suitable for all kinds of environments.
合金钢材料，内部灌胶密封，防油、防水、耐腐蚀，适用于各种环境。
The cylinders are made of super-hard metal(plunger hardness above HRC55), and sealed with low-resistance stepped gaskets, giving no oil-leakage, long service life and low maintenance cost.
液压缸采用特殊超硬材料，柱塞硬度达HRC55以上，密封采用低阴力阶梯圈，无漏油，使用寿命长，保养成本低；
The cylinders are made of super-hard metal(plunger hardness above HRC55), and sealed with low-resistance stepped gaskets, giving no oil-leakage, long service life and low maintenance cost.
液压缸采用特殊超硬材料，柱塞硬度达HRC55以上，密封采用低阴力阶梯圈，无漏油，使用寿命长，保养成本低；
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