1.This article is mainly on developing a new pyrotechnic exhaust composition, which can efficiently extend range to the base bleed.
本论文主要研究了一种对底部排气弹能实现有效增程的烟火型底排剂配方。
2.Running Analysis on Using Series Adjustment to Extend Range of Fan Speed-governing
应用串调装置增大风机调速范围的运行分析
3.Extend range of programme offered to existing audience
提供给现有观众更多的选择性