Simple Machines - the axle and wheel
51 بار بازدید -
7 سال پیش
-
Sequence shows various wheels and
Sequence shows various wheels and axles, how they work and are used in simple machines- and pulleys.
7 سال پیش
در تاریخ 1396/05/09 منتشر شده
است.
51
بـار بازدید شده