AC frequency conversation timing system
Frequency Conversion Timing System
timing system
调速系统
授时系统
定时系统
正时系统
时序系统
计时系统
定时装置
定时信号供给系统
时序控制
校时器
时标系统
时统
positive list system system
7-year system switching to 8-year system
Accounting environment Accounting theoretical system Accounting standards system
bridge transformed from simple-supported system into continuous system
cardiovascular system and cerebrovascular system
C-band unified TTC system and C-band mono-pulse measuring radar system
CF system core flooding system
changing oil system into coal system
emulating system for jacking system
free air temperature increased system FATI system
global system for mobile communication system
human resources system administration system
Intelligent Monitoring and Maneging System for Distribution System
steel frame system braced with bracing system