還正常。通常大多數人上三千多米應該都沒大問題,不然肯定會有輔助措施的。想來是隧道裏不通風的緣故吧。
還正常。通常大多數人上三千多米應該都沒大問題,不然肯定會有輔助措施的。想來是隧道裏不通風的緣故吧。
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