Laser etching inji, wanda siffofi madaidaicin etching tare da babban gudun, shi ne aka fi gani aiki inji a PCB masana'antu kamfanoni. Amma akwai abu ɗaya waɗannan kamfanoni ba za su iya rasa ba -- S&A Teyu šaukuwa chiller naúrar CW-3000.
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