Ⅰ. The detection method of the power of the walk-in chamberAt present, since most manufacturers adopt the H.320 audio coding standard organized by the International Telecommunication Union, the envir...
Ⅰ. The service life of the walk-in chamber1. The material life is the service life determined according to the material wear of the walk-in chamber, that is, the period from when the equipment is put...