然后根据压力的不同对炉室进行了分类。最后详细论述了抽真空充气系统的综合方法及工作原理。
Then, the furnace hearths are classified according to pressure, with their evacuating charging systems and its working principle discussed in detail.
驻车定位系统根据回波发声器原理工作。
The Parktronic system operates on the echo-sounder principle.
本文根据技术指标要求，给出了海杂波测试2.4米天线系统的工作原理，探讨了天线反射体、天线座架及馈源系统的结构设计。
According to specifications, sea clutter testing 2.4 m antenna system's principium is given, and the mechanism design of antenna reflector, antenna pedestal and feed system is studied.
应用推荐