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我厂新购进一台营口电火花机床厂制造的D7140D电火花机床,配套电源箱型号是BDD—100。由于我们误将钢打钢和铜打硬质合金两按键同时按下,开机后使电源变压器立即烧毁经检察发现两按键同时按下使电源变压器线圈内部形成闭路环而使其烧毁。
I bought a new factory Yingkou EDM Machine Tool Plant D7140D EDM machine, supporting the power box model is BDD-100. As we mistakenly hit the steel and copper hit the two buttons at the same time, the power transformer after the power immediately burned the prosecutors found that the two keys pressed at the same time to form a closed-loop power transformer coil and make it burn.