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一、增安型是一种安全、经济、可靠的防爆类型。 对于任何一种类型的防爆设备的应用和发展,在保证防爆安全性能的前提下,要充
First, increased safety is a safe, economical, reliable explosion-proof type. For any kind of application and development of explosion-proof equipment, to ensure explosion-proof safety performance under the premise of