After the transformation, the pressure station run well and overhaul period of the equipment was prolonged.

改造后运行状况良好，延长了设备检修周期。

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The lifetime of the electrical submersible pumping unit is the main factor affecting the overhaul period of electrical pumping unit.

对电泵井故障模式的调查和统计表明，潜油电泵机组使用寿命是影响电泵井检修周期的主要因素。

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By using new type tube arrangement, rationally adjusting support spacing of cooling tubes, and replacing cooling tubes, the old condenser was retrofitted in overhaul period.

通过采用新型排管方式、合理调整冷却管支撑间距，并同时更换冷却管材的方法在大修期内对凝汽器进行了改造。

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The contrasting stories of Sweden and Japan suggest that although big crises can offer an opportunity to overhaul an entire economy, a prolonged period of sluggish growth makes structural reforms increasingly difficult.

ECONOMIST: A better way

The proposed overhaul of visitor visas would eliminate the six-month maximum admission period and visas would be granted for the amount of time needed for a trip.

BBC: The Grand Canyon

The bureau said Monday it plans to propose the new rules, required by the 2010 Dodd-Frank financial overhaul law, by this summer and finish them by next January following a comment period.

WSJ: Servicers Face More Rules