·2,447,543篇论文数据，部分数据来源于NoteExpress
It just needs one potentiometer additionally to realize ac power regulation during being used, this product could take the place of heavy contacting voltage-regulator under most circumstances.
使用时仅需外配一只电位器既可实现交流电功率调节，在许多应用场合中可代替笨重的接触式调压器。
youdao
应用推荐
模块上移
模块下移
不移动