Above the glass of water. And the air's inert to the water.
放在水上，空气对于水是惰性的。
It is not necessary to replace air with inert gas.
不必用惰性气体置换空气。
It is only device to measure hemodynamic by the Inert Gas Rebreathing method.
唯一应用气体再呼吸法技术检测血流动力学及氧动力学的仪器。
It is only device to measure hemodynamic by the Inert Gas Rebreathing method.
唯一应用气体再呼吸法技术检测血流动力学及氧动力学的仪器。
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