先导系统压力试验
pilot system pressure test
先导系统油压
pilot system oil pressure
先导油系统安全阀
pilot oil system relief valve
先进财务报告系统
advanced financial reporting system
AFRS
先进测量系统
advanced measuring system
先进出行信息系统
1-bromo-4-me-thoxy-5-oxa-6-oxobicyclo
先进出行者信息系统
advanced traveler information system ATIS
ATIS