短語詞組短語roller r chain 滾子鏈條sleeved roller transmission chain 套筒滾子傳動鏈roller -chain gate 鏈輪牐門roller transport chain 滾子輸送鏈roller production chain 迂廻生産鏈條roller r chain coupling 滾子鏈聯軸器timing roller -chain drive 正時滾子鏈傳動ROLLER FOR ROLLER CHAIN 鏈條用滾子duplex roller chain 雙排滾子鏈;雙滾子鏈 返回 roller chain