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.
应用推荐