This paper introduces development method of portal pressure detecting instrument in gas - field.

介绍了一种气田井口压力检测仪表的研制方法.

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The feasibility of the detecting instrument are proved with experiments.

用实验验证了该装置的可靠性.

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And the color detecting instrument determines the final color quality of the products.

而印刷品的颜色检测仪器直接决定着印品最终的颜色质量.

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The dynamic railway - detecting instrument is an effective way to examining the smooth of the railway.

轨道动态测试仪是检测轨道平顺性的有效手段.

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