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國家速滑館“冰絲帶”亮相 采用世界最先進(jìn)制冰技術(shù)

2020-01-02 08:25來(lái)源：新華網(wǎng)

這是12月31日拍攝的實(shí)現封頂封圍的國家速滑館。新華社記者鞠煥宗攝

據北京國家速滑館經(jīng)營(yíng)有限責任公司總經(jīng)理張紹輝介紹，該場(chǎng)館在奧運史上首次采用二氧化碳跨臨界直冷制冰技術(shù)，這是目前世界上最環(huán)保的制冰技術(shù)，碳排放趨近于零；同時(shí)也是最先進(jìn)的制冰技術(shù)，冰面溫差可控制在0．5度以?xún)取?/p>

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