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化學教室-第20章-9-酸雨
Chemistry tutorial-Ch20-12-Reducing the emission of air pollutants from combustion of fossil fuels
Chemistry tutorial-Ch20-11-Water pollution from oil spillage
Chemistry tutorial-Ch20-10-Global warming
Chemistry tutorial-Ch20-9-Acid rain
F4_化學_CH17-1 強酸和弱酸、強鹼和弱鹼的意思
Chemistry tutorial-Ch20-8-Air pollution
化學教室-第20章-8-空氣污染
Chemistry tutorial-Ch20-7-Heat change during of hydrocarbons
YU CHUN KEUNG MEMORIAL COLLEGE