Electrical | NaraWangsa
Liming · Posted: August 2, 2010 in Electrical. Tinggi keandalan sistem memerlukan sistem up-kali bahwa pendekatan persyaratan keandalan 99,9999 persen. Putting this requirement in perspective, this translates to a system that is operational for 8,759 hours, 59 minutes, and 30 seconds every year, leaving only 30 seconds of down-time for unplanned
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