Forgings yield parts that have high strength to weight ratio, thus are often used in the design of aircraft frame members.

锻造生产的零件具有较高的强度重量比，所以常被用在飞机结构零件的设计中。

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Bogie hearth resistance furnace bearing and susceptible to collision parts with high strength refractory brick masonry, and the use of water glass during building the mud, so the strength increase.

台车式电阻炉的炉膛的承重和易受冲撞部位用高强度耐火砖砌筑，并且在砌筑过程中使用掺水玻璃的的泥浆，所以炉膛强度大幅提高。

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Cause of the high cost of materials, spare parts, equipment failure, low efficiency, increase use the Labour strength of the workers.

造成材料、配件费用高，故障多，设备使用效率低，增加了工人的劳动强度。

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