192 СД Дистанционное обучениеtan video
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![[Э+М] Самодельный ионный двигатель (опыты 10 часть).](https://sun9-43.userapi.com/impg/jtBISueS9-4UFKGhgBzRuYChTbYlb2oEOFWg3Q/DlbKYiNl330.jpg?size=320x240&quality=95&keep_aspect_ratio=1&background=000000&sign=4cc8127f192028ded71d66df26a686f1&c_uniq_tag=2yHICIOcW5qhH93U7W50fXBQ0OFrczqV4YjpLgLwueQ&type=video_thumb)
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