Existing problems of radial double ended mechanical seal used in reactors and their improvement are introduced, thus lengthening lifespan and reducing the cost of overhaul.
介绍了径向双端面机械密封在反应釜应用中存在的问题及改进，延长了使用寿命，降低了检修费用。
Equipments overhaul is an important methods in maintaining equipments operating, Because the overhaul cost is limited as result of equipments lack of repair.
设备大修是维持简单再生产的重要手段，由于设备大修费用有限，导致设备欠修。
A lack of landing gear overhaul capacity created by the high cost of setting up an overhaul facility.
昂贵的大修设施投入使得起落架大修能力不足。
The reason of electric power system implements the status overhaul is to extend the life of equipment, and ensure the reliability of power supply, as well as reduce the cost and risk of overhaul.
电力系统实行状态检修的目的是为了延长设备寿命，确保发供电可靠性，降低检修成本，减少检修风险。
The reason of electric power system implements the status overhaul is to extend the life of equipment, and ensure the reliability of power supply, as well as reduce the cost and risk of overhaul.
电力系统实行状态检修的目的是为了延长设备寿命，确保发供电可靠性，降低检修成本，减少检修风险。
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