Bushing-track  履带销套

chain track  链轨

chain track guard  护链槽

chain-track tractor  履带式拖拉机

sealed track bushing  密封履带衬套

straight wall bushing track  直壁衬套履带

track bushing  履带链节轴套; 履带销轴套

track bushing diameter  履带销轴套直径

track bushing end  履带销轴套端

track bushing groove gauge  履带销轴套槽规

Track Chain  履带

track chain component  履带零部件

track chain life  履带寿命

track chain link  履带链连接

vertical circulation parking equipment with fixed track chain drive  导轨链传动垂直循环停车装置

track bushing measurement  履带销轴套测量

bushing chain  套筒链

engineering district；maintenance of way section；track division；track district；track maintenance division  工务段

jointless line；continuously welded rail track；jointless track  无缝线路