underspeed valve upstream pressure tap的意思|示意
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低速阀上游压力分接头
underspeed valve upstream pressure tap的网络常见释义
降速阀上流测压孔 ... underspeed valve upstream pressure；降速阀上流压力 underspeed valve upstream pressure tap；降速阀上流测压孔 underspeed/override；低速/过载 ...