80 元券9783838366517Bearings印刷mounted¥10050去看看上海外文图书音像专营店发布了按需印刷Rotors mounted on Fluid Film Bearings[9783838366517]25 元券9783838366517BearingsmountedRotors¥7390去看看澜瑞图书专营店发布了【4周达】Rotors mounted on Fluid Film Bearings [9783838366517]