冬天静电的危害和防治昨天晚上我像往常一样脱衣,躺下,关灯,在被窝里玩会手机再睡觉.一会手机没电了我就伸手到旁边的椅子上拿备用电池.不小心手碰着了椅子(金属的),当时手指和椅子
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 02:54:20
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