本实用新型涉及消防设备中的灭火器压力表，由外壳部分、测量系统、指示部分组成。
The utility model relates to a pressure gauge for fire extinguisher used in the fire fighting equipment, comprising a casing part, a measuring system, and an indication part.
关于系统要求的信息和更加详细的安装指示，请参阅参考资料部分中的链接。
For information about system requirements and for more detailed installation instructions, see the links in the Resources section.
Broker message selection指示消息传递系统的哪个部分实现消息选择器。
Broker message selection Indicates what part of the messaging system implements message selectors.
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