Ͻź
Ȧ
ʹܽз
Cách đọc kèo châu ÂuӰɹȵ46ƫ78;ɹжȵصIJֵ½46;½ϽɹвȵصIJֵɳ
ɫоרҵ˵ƻͨǵʲҶչ˴ж˹Ӻ˾ķὫԴ˴жмල
ݡлѹҷڶֻһй½̨ͬһййȨݷָάȨǰ̨ͬڵȫйĹ̨ͬйһҾ̨κκηʽ̨йѳȥ13ȥ16ǾͰѳ˵7ûɹѳ¼¸ͻûĻ¸ͻͲϿĶʮӹȥ֮û취ֻӲͷƤͱг۹10Ҳû
ϺƵƵݺǰ418Ϻչ˾ʲά˹577κɺ˷ײ֮ʲάʻδԱ417Ϻչ˾ŦԼ˹1380κڷ;ͻȻըͻѳǹʻ汬ըһƬ˻һڴߵŮ˿͵İӶ˴ҿ˿ͽק˻Ů֮7䰲ȫίԱϯأRobertSumwaltʾ2009¹״η˿¹