The article summarizes the rationale behind the R&D of the gas leakage alarm system, and its situation of development and applications.
文章概述了燃气泄漏报警器的研制原理以及开发应用情况，对燃气报警器在商业用户中的安装现状进行分析，并提出问题及建议。
To promote the installation of gas pipeline leakage monitoring and alarm system in metallurgical enterprises.
推动冶金企业安装煤气管道泄漏监测报警系统。
This system contains safety intercom system, anti theft alarm system, fire alarm system, anti coal gas leakage system and alarm linkage control.
它包括安全对讲系统、防盗报警系统、火灾报警系统、防煤气泄漏系统、报警联动控制等内容。
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