该装置不仅实用性广，而且能够实现水位的自动控制，同时具有自动保护、自动声光报警等功能。
The device can also provide with functions of automatic protecting and alarming of light and sound.
实验结果显示，该报警器基本实现了上述功能，不仅操作简单而且具有一定的精度。
The experimental results show that the alarm can accomplish these functions, not only is the operation simple but has certain accuracy.
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