Vacuum nozzles integrated with porous medium pads precisely control the height of the flexible media above the central section during inspection or repair.

真空吸嘴一体形成在多孔介质衬垫上，用于在检测或修复过程中精确控制柔性介质在中心部分之上的高度。

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It is shown that medium causticity, adhesiveness, temperature and pressure are factors of safety valve lapse and safety valve inspection time based on the analysis the reasons of safety valve lapse.

通过对安全阀失效原因的分析，得出介质腐蚀性、粘度、温度压力是使安全阀失效的因素，同时也是影响安全阀校验周期的因素。

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It showed that the change of physical parameter of measurement medium influences the accuracy of measurement through the inspection experiment in the recent years.

近几年检定实践表明，测量介质的物理参量的变化对其测量精度是有影响的。

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