סרטון המחשה - תעלות קונקטו

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הורד קובץ: http://mbmi.co.il/wp-content/uploads/2020/06/animcan177.mp4?_=1

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השתמש במקש למעלה/למטה כדי להגביר או להנמיך עוצמת שמע.

להורדת הסרטון לחץ כאן :
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