用一根金属尖针,像缝衣针那样尖的,刺进电线的绝缘外皮,这样不必剥开绝缘,就可以测电线的通断了。
用一根金属尖针,像缝衣针那样尖的,刺进电线的绝缘外皮,这样不必剥开绝缘,就可以测电线的通断了。
WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.
Copyright ©1998-2025 wenxuecity.com All rights reserved. Privacy Statement & Terms of Use & User Privacy Protection Policy