n.冷冻剂，冷却液，散热剂
They turned on two additional main coolant pumps.
他们又启动了两台主冷却泵.
It is advisable to apply a coolant.
建议应用冷却剂.
One safety catch in his design is its helium coolant.
这次设计中采用的一个安全措施就是使用氦冷却剂.
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