The air heater is connected with a controlling switch and a program-controlled computer board respectively by conductors.

热风机通过导线分别与控制开关和程序控制电脑板相连接。

youdao

The air heater is connected with a controlling switch and a program-controlled computer board respectively by conductors.

热风机通过导线分别与控制开关和程序控制电脑板相连接。

youdao