Main bearing box structure adopts special technical design, with SKF bearing inside.
主轴承箱结构采用专有技术设计，内置进口s KF轴承。
The leakage of fan bearing box, especially the leakage of the moving sealing on the main shaft, is a main problem in the working fan of the furnace.
风机轴承箱的泄漏尤其是风机主轴处动密封的泄漏一直是高炉风机运行存在的主要问题。
As the main load-bearing structure, wing box is one of the main optimization objects which has great potential of weight reduction.
翼盒为机翼主要承力部件，优化潜力较大，是机翼结构优化设计的重点对象。
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