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一、专门投主要练习手段 (一)重器械 重器械是指所采用的练习器械大于标准重量的器械。其主要练习手段有:双手或单手投掷2.5公斤、3公斤、4公斤等各种不同重量的实心球、砂袋、铅球,单投投掷1公斤、1.5公斤、2公斤、3公斤等各种不同重量的小铅球、像胶球,投掷铁杆、超标准重量的标枪。 (二)标准器械 标准器械是指相同于标准重量的练习器械。其主要手段有:投掷小于标准重量的橡胶球,小铅球、垒球、棒球,投掷小于标准重量的标枪、竹枪、小石头。
First, the main investment practice means (a) heavy equipment heavy equipment refers to the practice equipment used more than the standard weight of the device. The main practices include throwing 2.5kg, 3kg, 4kg solid balls, sand bags, shot put, throwing 1kg, 1.5kg, 2kg, 3kg etc. Different weights of small shots, such as plastic ball, throwing irons, ultra-standard weight javelin. (B) standard equipment Standard equipment is the same as the standard weight of exercise equipment. The main means are: throw less than the standard weight of the rubber ball, small shot, softball, baseball, throwing less than the standard weight of the javelin, bamboo guns, small stones.