1·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。
2·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。
3·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。
4·During the overhaul period in 2001, an all-sided inspection was made to the three towers, causes were analysed, and measures were taken, the problem of surface cracks have been solved.
2001年大修期间，对三塔进行了全面检验，分析原因后采取有效错施，解决了表面裂纹问题，至今未出现大修以前的损坏现象。
5·They should provide reliable information of survey and construction for repair and overhaul in order to prolong the usage period at most, to improve the living conditions.
为大中修提供查勘、施工的可靠资料，最大限度地延长房屋的使用寿命，同时不断改善房屋的使用条件。
6·With the development of highway construction, road maintenance is also accompanied by a variety of tasks, in particular, some highways have entered a period of repair or overhaul.
随着我国公路建设的发展，公路养护维修的多种任务也伴随而来，尤其是我国修建的一些高等级公路已进入中修或大修期。