Core mechanical technology of fingerprint lock

Most people understand the core components of the fingerprint lock: motherboard, clutch, fingerprint collector, password technology, microprocessor (CPU), intelligent emergency key. But what about the core mechanical technology of fingerprint locks? Mechanical technology mainly consists of the .......

Rockery waterfall environment design

Introduction: In addition to improving the environment, the rockery and waterfalls are also highly ornamental. The rockery waterfalls are combined with garden buildings, garden roads, fields, and garden plants to create varied landscapes, thereby reducing.......