colour test
常见例句
- BS EN 12878:2014 Pigments for the colouring of building materials based on cement and/or lime-Specifications and methods of test.
2014水泥和/或石灰基建筑材料着色用颜料规范和试验方法。 - Test results show superimposing DC voltage on AC voltage not only has an obvious effect on the results of electrolytic colouring, but also hel…
在交流电压上迭加直流电压，不仅对电解着色的效果有明显影响，而且有助于弄清楚着色的机理。 返回 colour test