very low temperature

基本解释

Refrigerator: A commercial refrigerated unit or even domestic 'fridge is ideal if set at a very low temperature yet above freezing point.
冰箱：商业冷藏设备，甚至国内'冰箱是理想的，如果定在一个非常低的温度点尚未冰点以上。
netyd.com
A lot of tubes run through the water tank carrying chilled glycol, a fluid that freezes at a very low temperature — far below that of regular water.
水箱中有很多流淌着冷却用的乙二醇的管子。乙二醇液体的冰点的温度，远低于常规水的冰点。
Being a cryogenic machine operating at very low temperature, the LHC takes about a month to bring up to room temperature and another month to cool down.
由于是冷凝低温式机器（冷凝泵在密闭腔内能产生高真空环境，带电粒子在高真空中才能生存：译者注），运行时候温度极低，LHC要回到常温大概要一个月，并且致冷过程也要花费一个月。