... variability 易变性 flat head with ribs 平盖加筋封头 polysilicate 聚硅酸盐 ...
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平盖加筋封头
Stiffened head with flat cover
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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