爬山要用登山杆,陡的地方主要靠兩臂的力量。
所有跟帖:
• 同樣作用,就是減少膝蓋受的衝擊。 -紅米2015- ♂ (0 bytes) () 08/28/2024 postreply 08:05:20
• 同樣作用,就是減少膝蓋受的衝擊。 -紅米2015- ♂ (0 bytes) () 08/28/2024 postreply 08:05:20
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