————————————————,是摩擦起电现象.
————————————————,是摩擦起电现象.
物理人气:795 ℃时间:2020-04-10 05:05:31
优质解答
摩擦起电定义:摩擦过的物体具有吸引轻小物体的现象,这就是摩擦起电的现象.
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