交流发电机传动带张紧器
alternator belt tightener
风扇传动带调整
fan drive belt adjustment
风扇传动带支架总成
fan drive bracket assembly
风扇带张紧弹簧
fan belt tightener spring
风扇带张紧轮
fan belt tightener pulley
传动带紧带轮调整杆
belt tightener adjustment rod
传动带紧带轮工具组
belt tightener tool group