这些单位建议，清洁的空气或惰性气体的环境是在实验室空气，过程控制，仪器仪表和压缩空气系统所要求的使用。
These units are recommended for use when clean air or inert gas environments are required in laboratory air, process control, instrument and compressed air systems.
提出了一种由单片机控制的可燃气体报警仪表，由具备防爆性能的可燃气体探测器及二次表组成。
A type of combustible gas alarm device, which is controlled by single chip microcomputer, is introduced. It is made up of flameproof detector of combustible gas and secondary device.
提出了一种由单片机控制的可燃气体报警仪表，由具备防爆性能的可燃气体探测器及二次表组成。
A type of combustible gas alarm device, which is controlled by single chip microcomputer, is introduced. It is made up of flameproof detector of combustible gas and secondary device.
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