·2,447,543篇论文数据，部分数据来源于NoteExpress
A teaching demonstration circuit board consists of a receiver, a battery holder, a steering engine, a touch switch, a transmitter, a steering box and light emitting diodes.
一种教学用演示电路板，由接收机、电池盒、舵机、触碰开关、发射机、舵盒、发光二极管组成。
youdao
应用推荐
模块上移
模块下移
不移动