Small playground equipment, there are a lot of sports, such as the horizontal bar, parallel bars and so on.
小操场上有很多体育器械，如单杠、双杠等等。
While for horizontal bar and parallel bars, a concrete pad should be built to prevent the metal facilities soaking in water and from moist earth, thus increasing the service life.
单杠、双杠、健身器材等等，可用水泥垫高金属器械与地面直接接触，就可防止长期浸泡在水中，潮湿的地气也接触不到金属器械，增加了金属器械的使用年限。
There are six set exercises for floor exercises, the vault, pommel horse, horizontal bar, parallel bars and rings.
有六个项目的规定动作： 自由体操，跳马，鞍马，单杠，双杠和吊环。
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