Multifunctional teaching board for Russian major learning
The utility model discloses a multifunctional teaching board for Russian major learning, which comprises a vertical plate, the bottom end of the vertical plate is fixedly connected with a second supporting plate, the inner wall of the right side of the vertical plate is fixedly connected with a moto...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a multifunctional teaching board for Russian major learning, which comprises a vertical plate, the bottom end of the vertical plate is fixedly connected with a second supporting plate, the inner wall of the right side of the vertical plate is fixedly connected with a motor, the driving end of the motor is fixedly connected to one end of a round rod, and the inner wall of the left end of the vertical plate is fixedly connected to one end of a second oil cylinder. The other end of the second oil cylinder is fixedly connected with a blackboard eraser, the upper end and the lower end of the blackboard eraser are fixedly connected to one end of a sliding block, a square open groove is formed in the middle of the vertical plate, a double-sided plate is arranged in the square open groove, a spray head is fixedly connected to the rear portion of the top end of the square open groove, and sliding grooves are formed in the upper portion and the lower portion of the square open groove. Accord |
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