Floodgate door pump with water drainage is irritated two -way and is drawn drainage function with drawing
The utility model discloses a floodgate door pump with water drainage is irritated two -way and is drawn drainage function with drawing, including the gate that is used for cutting off the river course, be used for drainage and diversion the immersible pump, be used for driving the hoist mechanism t...
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Format: | Patent |
Sprache: | chi ; eng |
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