Shaft-track roller  支重轮轴

Shaft as-track roller  履带托链轮轮轴组件

Bearing-track roller  履带支重轮轴承

Collar-track roller  支重轮轴环

double flange track roller  双缘履带支重轮

front track roller frame  前履带支重轮架

left track roller frame adjustment  左履带支重轮架调整

rear track roller frame  后导轨滚轮架

roller track  滑轨; 轮轨式; 炉底辊道

sending billet roller track  送坯辊道

single flange track roller  单凸缘履带支重轮

track roller  履带跑板; 滚动切土器; 支重轮; 履带支重轮

track roller assembly  履带支重轮总成

track roller bearing  滚轮轴承

track roller bolt  履带支重轮螺栓

track roller cap  履带支重轮罩盖

track roller cap group  履带支重轮罩盖组

track roller diameter  履带支重轮直径

track roller frame  履带支重轮架