你须通过节点编辑器里的添加按钮操作来选择你真正想要的，这样你的材质看上去更真实。
You have to simply use Add button in Node editor to choose what you really want and to make your materials more realistic.
通过试验比较，选择了适合高、低温要求的橡胶堆定位器的材质，保证了定位器的性能。
Via test and comparison, the material of rubber stack positioners suitable to requirements of high and low temperatures is selected and the performance of positioners is ensured.
通过比较，对厂房通风形式及风管材质的选择提出了建议，对高寒地区厂房设计提出了自己的看法。
After comparison, some Suggestions are put forward for selection of plant ventilation type and air pipeline materials and some opinions are put forward for plant design in very cold areas.
介绍了塑料上销的技术要求、材质选择，通过纺纱对比试验和理论分析，说明塑料上销的应用可以提高成纱质量，是牵伸器材一次质的飞。
By comparative spinning practice, conclusion is made that plastic top cradle is capable of improving the yarn quality markedly as one of the drafting accessories.
介绍了塑料上销的技术要求、材质选择，通过纺纱对比试验和理论分析，说明塑料上销的应用可以提高成纱质量，是牵伸器材一次质的飞。
By comparative spinning practice, conclusion is made that plastic top cradle is capable of improving the yarn quality markedly as one of the drafting accessories.
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