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。
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.
在离开压缩机时，致冷剂已变作高温、稠密的气体，流经一个被称为冷凝器的热交换器，将热量从致冷剂转换作一团气体。
The refrigerant leaves the compressor as a hot, dense vapor and flows through a heat exchanger called the condenser, which transfers heat from the refrigerant to a body of air.
由于低于20公里的短途行驶或者因为冷却系统（汽缸垫或法兰连接）的缺陷让冷却水进入，导致冷凝水增加。
Increasedcondensation by short distance driving below 20 km or a defect in the watercircuit (cylinder head gasket or flange connections) with entry of coolingwater.
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