gas control automatic equipment的意思|示意

This paper introduced an automatic air mixing equipment for gas protection welding at work site, which can control the accurate proportion of airs.

介绍了一种用于焊接现场的气体保护焊的自动混气设备，该设备能精确控制气体混合比例。

In the production process of poisonous gas safety endangers life and explosion in automatic control system, and the equipment selection are designed to prevent danger produce measures.

生产过程中危及人生安全的有毒气体的产生及爆炸的可能，在自动化控制系统设计及设备选择上有防止危险产生的措施。