沙坑·草坑·海绵坑──从沙坑上练单杠谈起陆恩淳观众在看体操比赛时，常常会为运动员在单杠上的惊险飞行动作和高难度下杠动作惊叹不已。那么，他们的动作是怎么练出来的呢？这里，我想结合自己的经历谈谈体操运动中器材装备的重要作用及其发展的历史。５０年代初期，我... Bunkers, Grasspit, Sponge Pits - Speaking from a single bar on a sand pit Lu En-chun’s audience often marvels at the thrilling flight action and difficult barricade movements of athletes on horizontal bars. So how do their movements come from? Here, I would like to combine my experience to talk about the important role of equipment and equipment in gymnastics and the history of its development. In the early 1950s, I ...