To dig in the ground to look for outdated structures or objects which were buried for a long time; to locate one thing by digging in this way 近两年机械键盘的“麻将音”备受欢迎，各个厂家还会在键盘内部使用硅胶、poron棉、泡棉等材质填充键盘内部的空隙，从而使键盘的声音更“扎实”。（一般厂商会称之为消音结构） Good Vocabulary: relevant words and phrases and phrases Archaeology archaeological ar... https://pingdirapp68.directoryup.com/top-level-category/bess-utility-solutions