Black and odorous water body purification device and purification method
The invention provides a black and odorous water body purification device and method, the device comprises a suction dredger, a plurality of rotating discs are arranged at one end of the suction dredger in the width direction of the suction dredger in an array mode, and each rotating disc is provide...
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Format: | Patent |
Sprache: | chi ; eng |
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