20磅是15%,30磅就是25%了?那体重就是133磅和120磅,差好多。
75分钟对我们不能算长时间持续负重。出去负重爬山7,8个小时算正常。
20磅是15%,30磅就是25%了?那体重就是133磅和120磅,差好多。
75分钟对我们不能算长时间持续负重。出去负重爬山7,8个小时算正常。
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