Anh
bottom of valley
groove base
Đức
Rillengrund
Nutgrund
Pháp
vallée
fond de gorge
Rillengrund /INDUSTRY-METAL/
[DE] Rillengrund
[EN] bottom of valley
[FR] vallée
Nutgrund,Rillengrund /INDUSTRY-METAL/
[DE] Nutgrund; Rillengrund
[EN] groove base
[FR] fond de gorge