This is the first time we are cleaning at that height, in the death zone.
曾七次登上世界最高峰的纳姆格亚尔 夏尔巴说：“这是我们第一次在死亡区这么高的地带清理垃圾，难度很大，也很危险。”
Finally, the paper suggests an increase in the present height of the construction zone...
文章最后建议加大现行段高的尺寸，以提高成井速度。
Finally, the paper suggests an increase in the present height of the construction zone...
文章最后建议加大现行段高的尺寸，以提高成井速度。
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