检修费,超远距费;
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。
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。
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