English listening comprehension trains ware
The utility model discloses an english listening comprehension trains ware, including the base, base lower extreme both sides are connected with the supporting leg, base lower extreme middle part is equipped with storage battery, base upper end left side is connected with the stand, the stand left e...
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses an english listening comprehension trains ware, including the base, base lower extreme both sides are connected with the supporting leg, base lower extreme middle part is equipped with storage battery, base upper end left side is connected with the stand, the stand left end is equipped with the adapter, the adapter is connected with headphone cord, headphone cord is connected with the earphone, the stand upper end is connected with the roating seat, the inside revolving stage that is equipped with of roating seat, the on -line screen storage device comprises a base, the revolving stage upper end is connected with the column spinner, the column spinner upper end is connected with the sliding sleeve, the inside slider that is equipped with of sliding sleeve, the slider middle part is connected with the screw rod, the screw rod left end is connected with the twist grip, the slider lower extreme is connected with the traction lever, the traction lever lower extreme is connected with th |
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