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４ 压缩空气和制动装置４．１ 压缩空气装置图１２以示意图方式表示出了濎濜车组的压缩空气装置。产生压缩空气的装置由１个利用三相电流电机驱动一级螺旋式压缩机组成，这个压缩机根据ＥＴＡ和ＥＴＢ电动车中２个１００Ｌ主风缸中的压力情况，在７００ｋＰａ和１０００ｋＰ?
4 Compressed air and brake 4.1 Compressed air unit Figure 12 shows schematically the compressed air unit of the trolley unit. Compressed air generated by a device using a three-phase current-driven spiral compressor composed of a compressor, the compressor according to ETA and ETB electric car in the two main 100L pressure tank in 700kPa and 1000kP?