If the exhaust system is under a vacuum, the casing must be warmed by gradually introducing the steam, after opening the exhaust valve.
如果排气系统处于真空下，必须在打开排气阀后，逐渐引蒸汽来加热壳体。
The authors analyze the forces on the casing string under high-pressure working conditions, and give relevant equations for calculation.
分析了套管柱在高压工艺条件下的受力状况，并给出了计算公式。
It has a practical meaning for the strength design and combination usage of drill string, casing and tubing under different technological conditions.
对处于不同工艺条件下的钻柱、套管、油管的强度设计和组合使用等均有实际意义。
The result is propitious to the optimization design of casing slotting under non-uniform load, and offers a gist for analyzing casing failure mechanism.
其结果有利于指导在非均匀载荷作用下割缝的设计，对分析套管变形损坏的机理提供了依据，有利于对套损预防提出有效的建议。
By solving the mechanical model, the casing bearing forces can be obtained under the conditions of different hole types, mud density, casing suspension length and casing running ways.
通过对模型的求解，可以得到不同井眼类型、泥浆密度、悬浮长度以及不同下套管方案下的套管受力，为大位移井下套管作业提供了力学参考。
Liquid enters the primary impeller through an inlet of the pump casing, foams mixed in the liquid are crushed and separated out under the action of the impeller.
液体通过泵壳体进口进入主叶轮，在叶片的作用下把混合在液里中的泡沫打碎并分离出来。
Calculation shows that the casing collapse resistance decreases greatly under nonuniform loads.
计算表明，在非均布外挤压力作用下，套管抗挤毁强度大大降低。
With finite element method, the collapse strength of casing with ovality and eccentricity under unidirectional uniform and ellipse distributive force was calculated and analyzed.
采用有限元法，计算和分析了壁厚不均与椭圆套管在单向均匀和单向椭圆分布外挤力作用下的强度问题。
The resistance of nitrided J55 casing to sulfide stress cracking (SSC) was studied by C-ring testing and three-point bending testing under different conditions.
用应力环腐蚀试验和三(四)点弯曲试验研究了某J 55(即石油套管)渗氮套管在不同试验条件下的腐蚀行为，并和未渗氮套管的抗腐蚀性进行了比较。
To use stress corrosion test method to study the action of J55 nitriding casing under different test conditions and compare the anti-corrosion with non-nitriding casing.
用应力腐蚀试验方法研究了J5 5钢渗氮套管在不同试验条件下的行为，并和未渗氮套管的抗腐蚀性进行了比较。
The experiment results demonstrated that the strength of the casing under nonuniform load is 8 to 21 times lower than that under uniform load.
实验结果表明：套管承受非均匀外载作用时其强度与承受均匀外压相比要低8 ~21倍。
The bending failure stability accrued with the increase of the running load, when the small size casing, which was run into the wellbore under the deep well, encountered the resistance.
深井小尺寸套管下入遇阻时，随着下放力的增加，将产生失稳弯曲。
The monotone property of multivariate function proved that the maximum stress strength point exists on the inner surface of casing under the triaxial stress conditions.
通过实例计算，对比分析了用“三向应力圆”理论与其他几种理论计算的抗挤强度值。
Some part of the casing reaches plastic range in the combined load state and the casing may be cracked under 1.5 times of the combined load.
在组合载荷下机匣局部出现塑性，在1.5倍组合载荷作用下机匣可能发生破坏。
Under special circumstance, it is required that the sensor, protective layer of lead wire and the variable conveyor casing shall be electrically insulated from the ground.
在特殊情况下，要求传感器、引线的保护层与变送器外壳及地保持电气绝缘。
The result showed that the stress and deformation of the being designed welded casing under static state wer…
可进一步对焊接机壳进行动态特性分析，以便为改进设计提供更可靠的理论依据。
The computation result shows that the risk of casing destruction will increase under the condition of non-uniform load.
计算结果表明，在非均匀载荷情况下，套管强度破坏的危险性会增加。
Through the study for the full 3-d flow field of LP casing under all conditions, the internal flowing mechanism of the turbine shall be known clearly to optimize the design of air cooling units.
通过分析研究低压缸全工况三维流场，可深入了解透平内部流动机理，有助于进一步优化空冷机组设计。
The combining member combines the mounting members and the shield casing under a state in which a slight displacement is permitted between the mounting members and the shield casing.
结合单元，以允许微小位置偏移的状态结合一对安装部件和其间的屏蔽罩。
The combining member combines the mounting members and the shield casing under a state in which a slight displacement is permitted between the mounting members and the shield casing.
结合单元，以允许微小位置偏移的状态结合一对安装部件和其间的屏蔽罩。
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