Think of it as a rotating transformer, with the primary windings residing in a stationary casing (stator) and the secondary conductors attached to an inner shaft (rotor).
2
针对柔性套管约束杆件，研究了轴压杆件与约束杆件点、线接触时的约束屈曲。
The buckling of an axially compressive strut constrained by a flexible sleeve is studied for the cases of a single point contact and a curved line contact between the strut and the sleeve.
3
许多热采井套管热应力计算模型忽略了地层影响，属于单轴热应力分析。
Most of the models calculating casing thermal stress in thermal recovery well belong in a monoaxial stress analysis because of neglecting the effect of formation.
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