致命性室性心律失常
fatal ventricular arrhythmia
发动机主要部件性能说明
engine major component performance guide
插件和内部部件
Port plugs and vacuum vessel components
配件b.部件c.组件d.附件e.备件
FittingsPartsComponentsAccessoriesSpare Parts
软件部件构造技术
software parts construction technoloyg