initial plc control Area Fail

请教几个航空术语delivery control 、clearance delivery 、initial contac 英语翻译Control Area Generation control and PerformanceEach cont Initial() Fail Design of PLC-based control system for GIS,需要查询EI检索号, 英语翻译When you fail to manage to control these problems,they a area Control initial aim initial performance initial是什么意思 initial public offering