发布时间:2025-01-31 22:10:27
应该是镍铬合金之类的材料。
实际上,具有铁磁性的材料都可以起到磁屏蔽作用,因为,他们与磁铁吸引的同时就使磁铁的磁力线通过他们闭合了,在该材料的外部就没有磁力线,当然外面的东西就不被磁铁吸引了。
物权法有关于房屋漏水纠纷的规定吗假设业主房子墙内水管漏水物业要承担共同责任吗
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