ڈائ نمک واٹر کار
گیلسنب HSTM-068 تعلیم سائنس کے کھلونے DIY نمک واٹر کار
ڈائ نمک واٹر کار uses magnesium air salt water battery as the power supply to drive the motor to rotate. Understand that magnesium air salt water battery is a kind of chemical reaction device which converts chemical energy of magnesium alloy and brine into electric energy. It is one of volt batteries and its application.