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In the flourishing era of science and technology
now, the single material has been already unable to
meet various kinds of demands of human life, so the
accurate cooperation of different material functions
has already become the trend. Composite Reason
Transport but grow, the frying pan used for
stir-fry, originally use irons, and then transfer
steel, stainless steel to, and America and Europe
develop into stir-fry 5 layers of pans recently, it
combine get rusty, light quality, heat conductivity
of copper of aluminium of stainless steel, toughness
of manganese and pots of bottom heat-resisting to
dip in pan punish, the compounding type floor is
exactly this principle. |
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