High voltage exothermic welding technique earthing wire 230kv substation #shorts #short #highvoltage
How To High voltage exothermic welding technique earthing wire 230kv substation #shorts #short #highvoltage
Видео High voltage exothermic welding technique earthing wire 230kv substation #shorts #short #highvoltage канала Mn Technic Bd
Видео High voltage exothermic welding technique earthing wire 230kv substation #shorts #short #highvoltage канала Mn Technic Bd
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19 сентября 2023 г. 19:35:46
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