2. Quartz overcoating protects the optics from the environment and allows cleaning without damage to their reflective surface. 石英镀膜的光学器件可以防止环境对光学器件的损害,并且清洁时不破坏光学件的反射率。
3. capable of providing complete technical solution for the global leather industry from water field, retaining to overcoating. 公司的产品和技术可以向全球的皮革业提供水场、复鞣染色到涂饰全套的高档技术的解决方案。
英英解释
n.
1. an additional protective coating (as of paint or varnish)