They have a compact metal housing and can be mounted both on DIN rails and on the wall.

他们有一个紧凑的金属外壳，可都在DIN导轨和壁挂式。

youdao

They have a compact metal housing and can be mounted both on DIN rails and on the wall.

他们有一个紧凑的金属外壳，可都在DIN导轨和壁挂式。

youdao