An internally mounted, solid state positioner board accurately controls valve position from open to close.

内部安装的固体状态定位器主板能够精确控制阀门从开启到关闭的各种位置。

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Polish organizers later stated that they were unable to take a unilateral decision to open or close a roof since they needed clearance from FIFA to do so.

CNN: Downpour drenches Poland's Euro pride

Prop Jon Golding drove over from close range to open the scoring before Tom May found Danny Williams on the right wing for a simple catch and touchdown.

BBC: Northampton 13-19 Newcastle

The Glasgow pack drove their way to the Scarlets line before the ball was shipped smartly left for the open-side to go over from close range, Gregor converting.

BBC: Scarlets 21-38 Glasgow