血浆置换治疗的时间间隔以1-2天为宜。

The interval of 1-2 days was appropriate for the therapy.

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水力停留时间应大于10天，以15天为宜。

HRT should be longer than 10days and 15 days is recommended;

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如果出行时间较短(1 - 3天)，且不准备在户外宿营，携带物品不多，宜选中小容积的背包，一般25升至45升就够了。

If a shorter travel time (1-3 days), and was not prepared to outdoor camping, carrying goods is not much, should choose small volume of the backpack, generally 25 to 45 liters is enough.

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