1) dual propeller,twin screws
双推进器
2) dual thrust
双推力
1.
Ignition device with fireworks agent was designed using dual ignition cylinders for dual thrust underwater solid rocket motor(SRM).
在水下双推力发动机研制中,设计了烟火剂型点火装置,采取双药盒点火模式。
3) dual method
双推法
1.
According to the detailed definition of IT categories of foreign countries ,the paper decomposes China s TFP growth based on dual method during the period from 1980 to 2003,focusing on independent contribution of hardware,software and communication equipment.
本文参照国外相关研究对IT业的细类划分,首次采用双推法(dual method,又称price method),估算1980到2003期间,计算机硬件、软件业、通信业生产效率提高对中国TFP增长的贡献。
4) double-push skill
双推技术
5) single-chamber dual-thrust
单室双推力
1.
In order to improve muzzle velocity of rocket projectile and reduce force of back exhaust gas acting on launcher device,multiperforated grain structure of single-chamber dual-thrust rocket motor was put forward.
为有效提高火箭弹炮口速度,减小发动机后喷燃气对发射装置的作用力,提出了单室双推力多孔装药结构,给出了装药药柱燃烧面积及通气面积计算方法,利用某火箭发动机的装药参数,计算了多孔装药内弹道特性参数。
6) Dual thrust grain +
双推力药柱+
参考词条
补充资料：固液混合火箭推进剂(见火箭推进剂)
固液混合火箭推进剂(见火箭推进剂)
solid-liguid hybrid rocket propellant
guye hunhe huoiian tui)in)i固液混合火箭推进剂(s olid一Iiguid hy-brid rocket proPellant)见火箭推讲齐，}_
说明：补充资料仅用于学习参考，请勿用于其它任何用途。