因为中国的不锈钢并不是实打实的不锈钢，而是一种夹层材料，被压成所需的厚度。
Because stainless steel in China is NOT solid stainless steel it is a sandwich material. which is then rolled out to the required thickness but a quick magnet test will reveal all.
因为中国的不锈钢不是结实的不锈钢，而是夹层结构。虽然按照要求厚度制成，但是用磁铁测试法就可以一探究竟。
Because stainless steel in China is NOT solid stainless steel it is a sandwich material. which is then rolled out to the required thickness but a quick magnet test will reveal all.
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