超碰caoporn97人人,_男一女人一级毛片看一级 ,在线看片a,久久精品亚洲,国产无码久久,91色国产 ,欧美久久久久久_欧美国产成人精品一区二区三区_欧美日

Contact Us

Micro Cooling Fan production

Date: 2015-4-8   Click: 1416 Times

1, "Micro Cooling Fan" Prepare two copper , electrical tape: the battery can be around three times
2, the two ends of the copper lacquer scraped two centimeters, followed on the motor.
3, then take the end of the copper wire wound on the "Micro Cooling Fan" motor.
4, the motor connected to the negative battery with electrical tape.
5, the four corners of the paper ads on foot along the lines of the short cut, folded fan.
6, will complete the "Micro Cooling Fan" with a map nail on the eraser, and then received a complete motor.

Back to: Industry news

+86-0769-83660708

Home Product News Contact