The switching reliability and long service life are guaranteed by either a silver plated or optional gold plated contact. 镀银的或镀金的接点保证了开关的可靠性和使用寿命。
In direct contrast to the silver, the thicker black lacquer finish is acting as a dampener on the vibration of air through metal. 直接和镀银的对比，更厚的黑漆会负面影响气流通过金属的震动。
美
