The invention solves the problem of improving the quality of the water at the outlet of the dam (11) of the pond in the area of the safety spillway (6), to the drop of which (7) a floating body (2) is fixed, which is formed by at least two anchored side floats (8); watertight side walls (12) exten.....
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The technology involves the use of an energy recycling device to recycle the energy output from the power conversion units through a grid-interactive inverter. The invention, suitable for the electronic ballast industry, can process high-frequency ballast output power and recycle the power back into.....
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為迎接新高中課程，香港教育圖書公司推出涵蓋文、理共12枓，部分學科分中、英文版本的「全方位文憑應試系列」HKDSE Exam Series作者/Author: Raymond Kwok出版社/Publisher: 香港教育圖書公司
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About the fasting and the Ramadan. Islam. Faith. Religion作者/Author: Ali Budak出版社/Publisher: Nile Publishing
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