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
systeminc acquired resistance系统获得性抗性
system structure of muhilayer多层体系结构
system on a programmable chip片上可编程系统
System of agency by estoppels表见代理制度
System Communication Pamphlet系统通信手册
system differential equations微分方程系统
systema nervosum periphericum周围神经系,周围神经系统
system-wide OA construction全路OA建设