oil flow regulating valve
oil flow regulating valve
油流量调节阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The regulating valve is a very important component in the control system of oil pipeline , and its flow property will affect the control level.
调节阀是输油管道控制系统的重要组成部分，其流量特性对控制质量影响很大。
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