system oil大型船用十字头柴油机轴承润滑油
systemn.系统;体系;身体;制度
system of recruiting students招生制度
systematism of commercial law商法系统化
System Integration Monitoring系统综合监控
system of international trade国际贸易体制
System of intrusion detection入侵检测系统
system of systems engineering系统的系统工程
system hierarchical structure系统层次结构
System resource determination资源选型