Việt
rãnh bảo vệ
Anh
guard track
Guarding
Fencing and Lighting
keeper
lock-out
preservative
protect notch
protected
Đức
Schutzspur
guard track, Guarding,Fencing and Lighting, keeper, lock-out, preservative
protect notch, protected
guard track, protect notch /toán & tin/
Schutzspur /f/KT_GHI/
[EN] guard track
[VI] rãnh bảo vệ