By using orthogonal test method, the selective study on the mixture proportion about a type of polyurethane concrete was processed.
采用正交试验,对一种聚氨酯混凝土的材料和配合比进行了选择性研究。
Test shows that the proportion of refrigerant mixture is the key, and optimization can be judged in control of key temperature.
试验表明混合制冷剂的配比是自动复叠制冷系统关键问题,通过控制关键点的温度可以判断混合制冷剂的最佳配比。
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