English teaching auxiliary apparatus
The utility model discloses an english teaching auxiliary apparatus, including base, telescopic support legs, card conveyor and drive arrangement, card conveyor includes an even number conveyer belt,an individual section of thick bamboo and the even number right roller of rolling left of even number...
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Format: | Patent |
Sprache: | chi ; eng |
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Online-Zugang: | Volltext bestellen |
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Zusammenfassung: | The utility model discloses an english teaching auxiliary apparatus, including base, telescopic support legs, card conveyor and drive arrangement, card conveyor includes an even number conveyer belt,an individual section of thick bamboo and the even number right roller of rolling left of even number, and roll left a section of thick bamboo and right roller control the spacing distance setting andpass through the conveyer belt and connect, correspond respectively to wear to be equipped with the axle and to turn right the axle in roll left a section of thick bamboo and the right roller of lower extreme, the axle that turns left passes the base perpendicularly and rotates with the base and is connected with the axle of turning right, and a lower extreme that turns left spool is connected with drive arrangement, and drive arrangement includes turbine and the worm that matches, and the lower extreme of worm is connected with worm shaft pivoted hand wheel, the downside of base is connectedwith telescopic support le |
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