This paper introduces one special case of low vacuum of cyclotron.
介绍了回旋加速器的一例真空度不足的特殊故障.
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The paper discusses some problems on small turbine generator unit for low vacuum heating.
着重讨论了小型凝汽式汽轮发电机组低真空供热及运行的几个问题.
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The paper discusses some problems on small steam turbine generator unit for low vacuum heating.
本文着重讨论了小型凝汽式汽轮发电机组低真空供热的几个问题.
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