UFV-2型电网安全自动装置
UFV 2 series power grid stability control equipment
安全自动化系统
SAS
security automation system
安全自动装置
safety automation devices
automation devices
automatic safety device
safe automatic device
safety automatic equipment
security automatic equipment
automatic safety equipment
security and automatic device
safety and automation device
security control equipment
security autom atic equipment
变速箱制动器安全阀
transmission brake relief valve
电力系统安全自动装置
power system security protection system
继电保护安全自动装置
automatic equipment of relay protection
微机安全自动装置
microprocessor automatic equipment
油-水压力自动安全停车装置
automatic oil-water pressure safety cutout device
制动器安全阀体
brake relief valve cartridge