Anh
roller track frame
tracklaying assembly
Đức
Laufwerk
Pháp
chariot de roulement
train de chenilles
train de roulement
roller track frame,tracklaying assembly /ENG-MECHANICAL/
[DE] Laufwerk
[EN] roller track frame; tracklaying assembly
[FR] chariot de roulement; train de chenilles; train de roulement