"Thru" connections allow easy paralleling of additional SH1294M systems.
2
傅里叶系统并联一个适当的积分滤波器以后可以消除非周期分量对阻抗计算的影响。
A proper integral filter is designed to parallel with the Fourier system Thus the influence of DC offset on impedance calculation is cancelled.
3
通过小投入，对1线、2线、3线空压机系统并联改造，实现1 - 3线系统供气，取得较大的经济效益。
By little investment a significant economic benefits was made through technical improvement on parallel connection of no. 1, no. 2, no. 3 compressed air pipe networks.
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