One absolute USAP requirement, however, is that all Antarctic personnel must have a full complement of ECW (Extreme Cold Weather) gear.
美国南极计划要求的一个绝对必备条件，就是全体南极工作人员必须配备全套ECW(极冷天气)装备。
One absolute USAP requirement, however, is that all Antarctic personnel must have a full complement of ECW (Extreme Cold Weather) gear.
美国南极计划要求的一个绝对必备条件，就是全体南极工作人员必须配备全套ECW(极冷天气)装备。
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