Pic Title: Temperature gradient Related Phrase: 温度梯度 Related pictures: Temperature gradient Source: http://ja.glandsolar.com/ Pic Description: 　　Xinjiang New Energy Co., Ltd. Ge Lande, new energy, solar energy, quartz glass, sapphire crystal pulling Chaishi method), the temperature gradient method ( Translated by Google No. / 7 Picture               Slide Show

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