a ir valve 气阀
A ir inlet valve 进气阀
ir check valve 单向阀
ir brake valve 气制动阀
ir bleed valve 空气溢流阀
ir pressure relay valve 气压继动阀
ir throttle valve 空气节气门
ir regulating valve 空气调节阀
A self-made gas flow cell is used as the IR absorption cell. The components to be analyzed can be trapped with only one fourway valve.
IR吸收池是自制的气体流通池，只用一个四通阀即可将待测组份截留在吸收池中。
To enable this, Valve brought along some prototype headsets with positional tracking using desktop IR cameras.
为了能实现大赛宗旨，Valve带来了可在桌面红外摄像机上使用的有定位跟踪功能的原型耳机。
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