基本解释双动压气机；双动压缩机词组短语短语duplex reciprocating compressor 双列往复压缩机duplex tandem compressor [机]双并双串压气机;双并双串压气机duplex cylinder compressor 双缸压缩机duplex type compressor 复式压缩机duplex x compressor 双动压气机专业释义能源科学技术双动压气机