94v0: Печатная плата с высокой степенью пожаробезопасности
The circuit board in the electronic device is a core component. The equipment we use will face different external environments, such as high temperature, high pressure, low temperature, влажность, и т. д., so the materials of the circuit board must be safe. Поэтому, we need to classify the underlying materials to determine which electronic circuit board is […]






