So that will be the line integral of Pdx plus Qdy.
这就变成了Pd x +Qdy的线积分。
In addition, we also designed power amplifying circuit for QDY-6 electro hydraulic servo valve.
另外还针对QDY - 6型电液伺服阀设计了电液伺服阀的功率放大电路。
In addition, we also designed power amplifying circuit for QDY-6 electro hydraulic servo valve.
另外还针对QDY - 6型电液伺服阀设计了电液伺服阀的功率放大电路。
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