1、止推宝石轴承
... 宝石轴承孔 jewel hole 止推宝石轴承 endstone 轴承宝石 cap jewel ...
Diamond endstone钻石端石
endstone for escape whee擒纵轮托钻
endstone for escape wheel擒纵轮托钻
fourth wheel foot endstone秒下托钻
endstone for balance摆轮托钻
endstone for pallet fork擒纵叉托钻
endstone for pin pallet fork销钉式擒纵叉托钻