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Because the natural gas countains some corrosion media such as H2S, CO2 and H2O, the downhole tubing is often severely corroded.
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摘要由于天然气中含有H2S、CO2、水等腐蚀性介质，井下油管会发生严重的腐蚀破坏。 |
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Because the noise that affects radio signals is partly, but not completely, manifested in amplitude variations, wideband FM receivers are inherently less sensitive to noise.
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因为影响到无线电信号的噪音只是部分的，而不是整体出现于波幅变化中，调频宽频的接收器自身对噪音不够敏感。 |
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Because the nucleic acid vaccine has the advantage that the normal regulations vaccine have no, but the nucleic acid vaccine also exists some problems that didn't resolve yet.
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由于核酸疫苗具有常规疫苗所没有的优点，但同时核酸疫苗也存在一些尚未解决的问题。 |
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Because the observation of interior crack is not always available, this paper laid emphasis on surface crack of segments.
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由于管片内部裂缝观测难以实现，故重点研究了表面裂缝的影响。 |
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Because the ocean surface is so smooth, people may think that the ocean bottom is made up of smooth plains.
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由于大洋表面很平坦，人们可能会认为大洋的底部是由平坦的平原构成的。 |
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Because the oil well pump belongs to a simplex reciprocating pump, the most authentic Adolph's differentical equation of movement of the reciprocating pump valve can be used to reserch the movement of oil well pump valve,but it is well known that this dif
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由于抽油泵属于单缸单作用往复泵，因此可以将目前较权威的阿道尔夫往复泵泵阀运动微分方程用于研究抽油泵泵阀的运动规律，但阿道尔夫泵阀运动微分方程在泵阀开启初期存在奇点问题。 |
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Because the only source of heat that could melt the entire moon would be a very rapid accumulation of small bodies, the presence of large quantities of anorthosite in the lunar crust supports the theory that the moon coalesced from the debris of a planeta
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能熔化整个月球的唯一热源是小型天体的快速聚集，因此月球地壳内大量的斜长岩支持了「月球是由行星际遗屑撞击合并而成」的理论。 |
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Because the optimization result is discrete, excellent individual protect plan was adopted to quicken constringency.
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爲此采用优秀个体保护策略，加快了优化设计的收敛。 |
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Because the organization's existing accounting system reported all its financial information on a line-item basis, regional cost data had never been collected.
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由于这个组织现有的会计系统是每个在线项目分开报告其财务信息，各个地区的成本信息从来没有整合过。 |
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Because the output pressure signal of the manoeuvring valve(pos. no. 01-Ⅲ) corresponding to the regulating handle position determines the output rate of the P.G. governor through the 3-way valve (pos. no. 29, lower frame).
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因为操纵阀01-Ⅲ相应调节手柄位置的输出压力信号决定调速器输出比率通过三通阀29，下位。 |
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Because the pipeline system will not rust, corrosion, debris and other issues not readily available broken down to such an extent that almost no repair. prominent anti-stress and creep resistance of a pipeline rupture also guarantee long life.
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由于管道系统内不会产生生锈、腐蚀、碎片等问题且不易破裂，所以几乎不需要修理，突出的抗蠕变性及抗应力破裂性还保证了管道长久的寿命。 |
