20磅是15%,30磅就是25%了?那體重就是133磅和120磅,差好多。
75分鍾對我們不能算長時間持續負重。出去負重爬山7,8個小時算正常。
20磅是15%,30磅就是25%了?那體重就是133磅和120磅,差好多。
75分鍾對我們不能算長時間持續負重。出去負重爬山7,8個小時算正常。
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