压缩机罩盖compressorcharacteristiccurve: 压缩机特性曲线compressorbleed: 从压气机中抽气compressorcylinder: 压缩缸compressorblade: 压缩机叶片compressordeliverypressure: 压缩机出口压力下载手机词典可随时随地查词查翻译