冷却

• It must be cooled to its liquefaction temperature .
  它必须冷却到其液化温度。
• They turned on two additional main coolant pumps .
  他们又启动了两台主冷却泵。
• There is a rainbow in its cooling vapours .
  在它的逐渐冷却的水汽中出现一条彩虹。
• Technetium was discovered in certain cool stars .
  锝是在一些冷却的星体上发现的。
• Cooling between stages is necessary .
  各段之间需要冷却。
• When water is made cold enough, it turns into ice .
  水被冷却到一定程度时就结成冰。
• It is advisable to apply a coolant .
  建议应用冷却剂。
• After cooling, the emulsion flows into a centrifuge .
  冷却后，乳状液流入离心分离机。
• A gas is cooled by expansion and heated by compression .
  气体膨胀时冷却，压缩时变热。
• Melted metal is poured into a mold to harden into shape .
  熔化之金属倒入模子中以冷却成形。