English teaching device
An English teaching and framework technology, applied in educational tools, mechanical operation teaching aids, printing, etc., can solve the problem of single function of teaching devices, and achieve the effects of improving learning interest, reducing labor intensity, and flexible use
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[0010] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0011] An English teaching device, comprising a base 1, the base 1 is connected to a frame 3 through a telescopic bracket 2, and shafts 4 are arranged on both sides of the frame 3, and shaft tubes are sleeved on the shaft 4 5. The shaft tubes 5 on both sides are fixedly connected with the plate body 6. The lower end of the plate body 6 is provided with a pin hole 7, and a pin 8 is arranged in the pin hole 7, and a cylindrical spring is set on the pin 8. 9. One end of the pin 8 is provided with a stopper 10, the other end of the pin 8 extends to the outside of the frame 3 and is connected with the handle, and the upper end of the front surface of the board 6 is provided with a rectangular groove 11, the concave A magnet bar 12 is arranged in the slot 11 , a metal bar 14 is hinged on the upper edge of the slot 11 through a rotating shaft 13 , a...
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Abstract
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