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它仍然是气态但现在压强变小了，温度降低了。
Stays a gas, but now the pressure is less, the temperature is less.
youdao
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温度自控和高低液位报警降低了生产成本。
Temperature controlled and alarm of the level height can reduce production costs.
youdao
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温度自控和高低液位报警降低了生产成本。
Temperature controlled and alarm of the level height can reduce production costs.
youdao