1¡¢±¾²úƷΪ10WÎÞÏß³äµçÉ豸£¬¿É¼æÈÝËùÓзûºÏQiж¨µÄÎÞÏß³äµçÉ豸£»
2¡¢Í¬Ê±¾ß±¸Æ»¹ûÎÞÏß¿ì³ä7.5WÐÒ飬¿É°ïÖúÉ豸ʵÏÖ¿ìËÙ³äµç¡£