高校问答守望先锋隐藏英雄:英译.PLC机的接地线应使用接地良好的专用地线,其埋设点距变流器回路和发电机回路地线埋设点应不小于5米.
来源：百度文库 编辑：高校问答 时间：2024/05/05 15:33:49
PLC machine meets the grounding to be supposed to use the good earth special-purpose grounding,It installs underground the distance converter return route and the
generator return route grounding installs underground the spot to be
supposed not to be smaller than 5 meters.