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ارت (سیستم زمین)
8 Jun 2019, 12:58
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محاسبه مقاومت تقریبی انواع الکترود ارت
https://docplayer.net/amp/21499777-Version-1-1-01-2010-ctbto-ims-earthing-and-lightning-protection-minimum-standard.html
کانال
@handbook7
@saririteaching
@mabhas15sariri
@mabhas15sariri1
@handbookEarthing
@handbookDetector
@handbookBonding
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