英语词典
The biggest value of the recirculation zone length of flow behind reversed tainter valve was attained, then with opening degree increases the recirculation zone length reduces gradually;
反弧门后水流回流区长度在0.2开度达到最大值,然后随开度的增大回流区长度逐渐减少;
互联网摘选
egr tvv exhaust gas recirculation thermal vacuum valve
废气再循环水温感知器真空控制阀
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