double wraps造句

• The rule of opening back - pressure aperture on double wraps scroll compressor is introduced and thermodynamic model and conducting heat model on double wraps scroll compressor are established ; it can provide gist to open back - pressrue aperture for design and development of double wraps scroll compressor in the future
  摘要提出了双涡圈压缩机背压孔开设的原则，并建立了双涡旋背压孔的热力学模型和传热学模型；在今后设计研发具有双涡旋的涡旋压缩机的背压孔的开设提供了依据。