短語詞組短語steel l retainer 夾釬器Steel bearing retainer crown 鋼板冠型軸承保持架Stainless Steel Retainer Ring 不銹鋼卡環(huán)Ribbon steel retainer 浪型鋼制保持架;浪形鋼制保持架Actuator pivot retainer stainless steel 特點 返回 steel retainer