搜尋標籤: "control of water pollution"

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Water Pollution duration 20 minutes 3 seconds Water Pollution Water Pollution	Water Pollution 1. An introduction to the sources of water pollutants; 2. An introduction to the sewage treatment strategy in Hong Kong; 3. An explanation of the methods of sewage treatment for compiling with the… control of water pollution water pollution water conservation pollution ronson@hkecl.net 0 個讚 271 次播放學科科學教育 Science Education 學習階段第三學習階段 (中一) Key Stage 3 (S1) 第三學習階段 (中一至中三) Key Stage 3 (S1 - S3) 作者教育局課程資源組版權聲明所有版權由香港特別行政區政府擁有上載日期 31/8/2006

duration 20 minutes 3 seconds

Water Pollution

1. An introduction to the sources of water pollutants; 2. An introduction to the sewage treatment strategy in Hong Kong; 3. An explanation of the methods of sewage treatment for compiling with the…

control of water pollution

water pollution

water conservation

pollution

ronson@hkecl.net 0 個讚 271 次播放

學科

科學教育 Science Education

學習階段

第三學習階段 (中一) Key Stage 3 (S1)

第三學習階段 (中一至中三) Key Stage 3 (S1 - S3)

作者

教育局課程資源組

所有版權由香港特別行政區政府擁有

上載日期

31/8/2006