In calibrating the leak, the pressure in the ballast chamber can be precisely controlled in such a way that the standard gas flow through the orifice is close or equal to the leak rate.
在漏孔校准过程中，通过调节稳压室中的压力，很容易使标准气体流量与漏孔漏率非常接近或相等，从而避免四极质谱计的非线性影响。
The design of an equipment of automatic calibrating high-level pressure sensors is introduced.
介绍一种高量程压力传感器(压力表)自动校准装置的应用设计。
The effect of nozzle holder pressure surface wear on flow characteristics of calibrating injector assembly is investigated and analyzed theoretically.
试验研究了喷油器密封端面磨损对标准喷油器流量的影响，并从理论上进行了分析论证。
The Quasi dynamic pressure calibration system is a dynamic pressure generator, used in calibrating measuring device for the pressure in bore.
准动态压力标定系统是用于膛压测量器材进行准动态标定的动态压力发生器。
The Quasi dynamic pressure calibration system is a dynamic pressure generator, used in calibrating measuring device for the pressure in bore.
准动态压力标定系统是用于膛压测量器材进行准动态标定的动态压力发生器。
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