Raw material quality factor in the bearing failure analysis, the proportion has decreased significantly, but it is still bearing failure , one of the main factors.
原材料质量因素在轴承失效分析中所占的比重已经明显下降，但它仍然是轴承失效的主要影响因素之一。
Loading speed is a key factor affecting the fracture splitting quality, and proper loading speed can increase the brittleness of material.
加载速率是影响裂解质量的重要因素，合理的加载速率可以提高材料的脆性。
The example evaluation shows that the species and pack to fill rate of the building material and air commutation rates is a key factor to decide the indoor air quality.
实例计算表明，建筑材料的品种、装填率以及空气交换率是决定室内空气质量的关键因素。
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