传动带张紧轮  belt tensioner

带轮张紧装置组件  pulley tightener group

弹簧加载风扇皮带张紧轮  spring loaded fan belt tightener pulley

弹簧张紧轮  spring tension pulley

风扇带张紧轮  fan belt tightener pulley

链条张紧轮  chain tension gear

张紧轮摆动杆  idler swing link

张紧轮臂支架总成  idler arm sprocket assembly

张紧轮侧板  idler side plate

张紧轮拆卸  idler disassembly

张紧轮充气  idler inflation

张紧轮充气压力  idler inflation pressure

张紧轮调整  idler adjuster

张紧轮调整螺栓  tension wheel adjusting bolt

张紧轮端面  idler end

张紧轮盖垫片  tension wheel cover washer

张紧轮和轴承总成  idler and bearing assembly

张紧轮护罩  idler cover

张紧轮连杆  idler link