Clear working status indication, a simple functional operation, safety, energy saving, convenience;

清晰的工作状态指示，简单的功能操作，安全、节能、方便；

youdao

Clear working status indication, a simple functional operation, safety, energy saving, convenience;

清晰的工作状态指示，简单的功能操作，安全、节能、方便；

youdao