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来源:雅诚德英语网
Both shoulder straps should be used, and adjusted so that the pack fits the body, without hanging to one side.
两个肩带都应该使用,并调整,以便背包适合身体,而不是挂在一边。
Both shoulder straps should be used, and adjusted so that the pack fits the body, without hanging to one side.
两个肩带都应该使用,并调整,以便背包适合身体,而不是挂在一边。