发布时间:2025-02-03 18:15:58
Io是过载的意思,In是断路器的标称额定电流;是标准值;Ir是断路器整定正常工作过流整定值;也叫长延时脱扣电流;Ie是断路器的瞬时脱扣电流;短路情况下断路器的瞬时动作时的值;
我把龙血树整个桩头锯掉了就剩下从盆土往出20多公分的主颈干请问还能长出新芽吗
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