发布时间:2025-01-23 07:15:51
无需人工放。电容内就并有电阻,并且容量小,断电后一会就无电了.
一定要人工放电只需短接两极就行,但不能通时或断电后立即放。
变压器只要断电就无电了。
衣柜边设圆角,当初觉得好看如今不花钱也不愿做,无非是因为哪几点
2025-01-23 07:15:51 2025-01-23 07:15:51 2025-01-23 07:15:51 2025-01-23 07:15:51 2025-01-23 07:15:51 2025-01-23 07:15:51 2025-01-23 07:15:51skf nk174716轴承skf160 160nk174716轴承尺寸参数
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