Cadmium telluride and CIGS may be cheaper than silicon, but glass and steel, on which solar-thermal relies, are cheaper still.是什么意思_Cadmium telluride and CIGS may be cheaper than silicon, but glass and steel, on which solar-thermal relies, are cheaper still.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句