The multi-parallel- magnification circuits and the band-pass filter can well restrain random interfering noise, especially generated by test run vibration.
适配电路中的多级并联放大电路、带通滤波器对试车过程中的随机干扰信号，尤其是振动引起的噪声具有很强的抑制作用。
The dirty hold ability test is according to ISO16889 by multi-pass test. The pressure is 8 times than the initial pressure.
纳污量试验符合多次通过方法ISO 16889标准，确定纳污量的压降为初始压降的8倍。
The dirty hold ability test is according to ISO16889 by multi-pass test. The pressure is 8 times than the initial pressure.
纳污量试验符合多次通过方法ISO 16889标准，确定纳污量的压降为初始压降的8倍。
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