ΪÄúÕÒµ½Ô¼8,900ƪÎÄÕ£¬ºÄʱ0.0880Ã룬Êý¾Ý¿â×ÜÁ¿Îª387,087,424ƪ¡£
ptfe ptfe acf cu pi az31b mao ptfe al ptfe ptfe pi g r ptfe