Measure and record the differential pressure across the valve using a Watts Series PG meter. CAUTION: Safety glasses should be used.

采用美国瓦茨系列PG仪器测量和记录通过阀门的压差。警告：应该使用安全眼镜。

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Our main products include solenoid valve, thermostatic expansion valve, sight glasses, filter dryer, pressure controller, pressure difference controller , temperature controller.

公司主要产品为电磁阀、热力膨胀阀、视液镜、干燥过滤器及压力、压差控制器。

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These results are expected to provide the theory basis for practical production in light valve and polarized glasses devices.

该结果可以在液晶光阀、偏光眼镜等器件中有重要的应用，为生产实际提供理论依据。

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Maybe the Oculus Rift and Google Glasses and the next Kinect and whatever Valve cooks up will be awesome.

FORBES: Move up http://i.forbesimg.com t Move down

It's called Cast AR, and it's a pair of 3D augmented-reality glasses that she and fellow co-worker Rick Johnson were developing at Valve before leaving.

ENGADGET