压缩与扩张器compressorblade: 压缩机叶片compressor; centrifugal: 离心式压缩机compressorbleed: 从压气机中抽气compressor; axial flow: 轴流式压缩机compressorcasingcover: 压缩机罩盖下载手机词典可随时随地查词查翻译