加筋平盖封头比普通平盖封头具有较好的受力性能，这对较厚平盖封头的结构改进设计有重要的指导作用。
The result shows that head with ribs is much better than the common one when they suffered the same pressure, and this gives us important guiding effect in the design of flat head.
加筋平盖封头比普通平盖封头具有较好的受力性能，这对较厚平盖封头的结构改进设计有重要的指导作用。
The result shows that head with ribs is much better than the common one when they suffered the same pressure, and this gives us important guiding effect in the design of flat head.
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