在2002年泰安市老年杯秋季门球赛中,曾出现多例因末打对方关键球而导致失利的战例。现将最为突出一例简介如下:在比赛前一阶段20分钟内,白方取得场上优势,比分一路领先。但在④球打出⑨球、再打⑦球并打成双杆球后既没有去打掉⑤、①两球乘胜扩大战果,又没能有效地保 In the 2002 Tai’an Cup of Defending Cup, there have been many cases of defeat caused by the end of playing the other key ball. Now the most prominent example is as follows: In the first phase of the game within 20 minutes, White won the court advantage, the score lead all the way. However, in the ④ ball hit ⑨ ball, then hit ⑦ ball and hit the double shot neither to knock ⑤, ① two goals to expand the victory, but also failed to effectively protect