履带支重轮和托链轮配置总成
Roller AR-track & carrier
履带托带轮布置
track carrier roller arrangement
履带托带轮润滑
track carrier roller lubrication
履带托带轮组
track carrier roller group
带轮总成的装配
pulley assembly installation
托轮轮带
Tyre and supporting roller
压缩机带轮总成
compressor pulley assembly
张紧轮皮带轮总成
idler belt pulley assembly