Carbon dust and oil build up in large motors and cause them to short-circuit.
碳尘和燃油在大发动机里越积越多，造成了发动机短路。
The circuit has simple principle and structure and is easy to make and use.
本电路原理简单，结构不复杂，容易制作，使用方便。
The circuit has simple principle and structure and is easy to make and use.
本电路原理简单，结构不复杂，容易制作，使用方便。
应用推荐