直流锅炉应有中间点温度高警报和断水保护装置。
Monotube boiler should be installed with medium high temperature alarming and water shortage protect device.
这款液体流量开关广泛应用于空调、冷冻等需要断水保护的场合。
The F61 serial liquid flow switch is widely used for conditioning, freezing and other places which need "setting off" protection.
介绍一种简单可靠的空压机断水保护装置的结构原理及使用效果，使用表明该装置经济实用，性能可靠。
It is recommended that the structure and principium of a new type of water cut-off protection device which is simple and reliable. It is proved to be economical and reliable in practice.
依据水冷式空压机需要断水保护的要求，介绍了靶式流量开关的工作原理、选用方法以及在断水保护中的优势。
Based on a water-break protection requirement of water-cooled air compressor, describes the principle, selection and the advantages of the target flow switch are described.
水冷系统具有断水、欠压、水路超温报警及保护功能。
Water-cooling system with water, under-voltage, water-temperature alarm and protection.
水冷系统具有断水、欠压、水路超温报警及保护功能。
Water-cooling system with water, under-voltage, water-temperature alarm and protection.
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