名词
中文翻译：闭合电路型氧气设备同义词
同义词：
['closed-circuitoxygen apparatus', 'closed-circuit oxygen system']
例句：
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1.This closed-circuit oxygen apparatus is essential for the operation of ourlaboratory.
这个闭合电路型氧气设备是我们实验室操作所必需的。
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2. The closed-circuit oxygenapparatus was designed to provide acontrolled environment for testing.
这个闭合电路型氧气设备被设计用来提供一个受控的环境进行测试。
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3. The closed-circuit oxygenapparatus is used to monitor thelevels of oxygen in the air.
闭合电路型氧气设备用于监测空气中的氧气水平。