发布时间:2025-01-20 04:47:19
尖的。根据电动力学,尖端在雷雨天气容易在云层电荷电势下聚集电荷形成低电势,诱导云层放电
正在铺着及刚铺完沥青的路面在烈日的暴晒下发出的那种气味对人体有伤害吗
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