沥青软化点试验
Asphalt softening point test
以上为机器翻译结果，长、整句建议使用 人工翻译 。
采用沥青薄膜加热试验和紫外线老化试验，对沥青的针入度、软化点、延度和粘度等性能指标进行了试验研究。
By thin film oven test and ultraviolet photooxidation test, asphalt performance indices were studied, including penetration, softening point, ductility and viscosity.
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