以下为句子列表：
英文: After the normal air-running, engineer must move the regulating handle to the position corresponding to the pressure which has been set by the pressure reducing valve (pos. no. 28) when the speed of the main engine is more than the air cut speed.
中文: 在正常的空气运转后，轮机员必须移动调节手柄到相应的压力的位置，其压力已由压力减压阀28设定，当主机的转速已经高于空气切断转速。
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英文: Aiming at the disadvantages of present loading system applying proportional relief valve or servo valve, loading system with 3-way proportional pressure reducing valve is proposed.
中文: 针对目前采用比例溢流阀和伺服阀加载存在的不足，提出在钢坯修磨机上采用比例三通减压阀加载。
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英文: The control air is supplied to the P.G. governor at the proper rate reduced by the pressure reducing valve (pos. no. 35).
中文: 如果你打开此开关，三通电磁阀34动作，控制空气通过三通电磁阀被传送到P。G。调速器代替扫气空气。
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英文: There is compliance in indication between the pressure gauge (X) and the pressure gauge mounted on the pressure reducing valve (28).
中文: 有依从指示在压力表X和安装在减压阀28的压力表之间。
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