English teaching is with teaching board

The utility model discloses an english teaching is with teaching board, including base and plate body, the base upper end is connected with the endotheca post, endotheca post both ends evenly are equipped with transfers knothole, endotheca post upper end is connected with buffer spring, the buffer s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: HAN XIUQIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses an english teaching is with teaching board, including base and plate body, the base upper end is connected with the endotheca post, endotheca post both ends evenly are equipped with transfers knothole, endotheca post upper end is connected with buffer spring, the buffer spring upper end is connected with the overcoat post, overcoat post lower extreme both sides are connected with adjusts the chamber, it is equipped with the regulation pole to adjust intracavity portion, it is connected with the adjustable ring to adjust the pole outer end, it is connected with the stopper to adjust pole the inner, stopper the inner is connected with the regulation button head, both ends are connected with the sliding sleeve about the plate body, the inside screw rod that is equipped with of sliding sleeve, the screw rod middle part is connected with the slider, be connected with the fixed plate between the slider, the fixed plate right -hand member is connected with wipes the ash pad, the screw rod