Bazalgette's design included a safety valve: when too much waste enters the system, raw sewage runs into the River Thames.

巴扎尔吉特当初设计了一个安全阀，当管网中的污水太多时，不经处理的污水便直接注入泰晤士河。

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Using this feature with the Purge Valve closed can result in over pressurizing the system or exceeding the Pressure Safety Relief Valve setting.

在放气阀关闭时使用这个功能，可能会导致系统压力过大或超过压力安全阀的设置压力。

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The system consists of feedwater pump control, adjusting valve level control, safety and alarm devices.

该系统包括给水泵控制、调节阀阀位控制以及安全保护和报警。

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