以下为句子列表：
英文: CONVEX-CONCAVE SHAPE:Unique designed of convex-concave shape,which can strengthen and expand the heated measure.Promote to absorb the light and heat energy. Increase the radiating energy.
中文: 在省油器表面形成许多凹凸面：使表面受热面积加大，促进吸收光能及热能，增加红外线放射能量。
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