Việt
đường trở về chung
Anh
common return
signal ground
Đức
gemeinsame Rückleitung
Erdleiter
Pháp
terre de signalisation
terre du signal
common return,signal ground /ENG-ELECTRICAL/
[DE] Erdleiter
[EN] common return; signal ground
[FR] terre de signalisation; terre du signal
gemeinsame Rückleitung /f/Đ_SẮT/
[EN] common return
[VI] đường trở về chung