backup device 辅助设备; 备用装置; 备份装置; 备用设备
backup safety system 备用安全系统
device backup 装置备援
manual device backup 人工装置备份
safety backup 安全备份
backup safety 备用安全装置
anti-fall safety device 防坠安全器
Automatic Safety Device 安全自动装置
auxiliary safety device 辅助安全设备; 智能决策支持系统; 粒子图像速度场
back-up safety device 后备安全设备
blacklash safety device 后坐保险机构
clock safety device 钟表保险机构
condenser safety device 凝汽器安全装置
core interlocking safety device 砂心固定安全装置
Device Safety 设备安全
exclusive safety device 紧急保险装置
factor of safety [= safety factor] 安全因素; 安全因数
impulse safety device 冲量安全装置
medical device safety 医疗器械安全性