cold heavy water（低温重水）是什么意思？音标发音+图解场景

低温重水 /ˈkəʊld ˈhɛvi ˈwɔːtə/ n

English: cold heavy water · 低温重水

释义：A pumping system ensures that heavy water around the moderator tank circulates, cools and is purified.

这个词出现在以下图解场景（1）