Notes: 1. Type of steam turbine: B - Backpressure turbine, C - Extraction condensation turbine.说明: 1, 汽轮机型式: B - 背压式汽轮机, C - 抽汽冷凝式汽轮机.Do not install where backpressure can occur.不要安装在可能发生反压力的地方.Check module construction ...

反压力，背压...

backpressure的音标：backpressure的英式发音音标为：[bækp'reʃə]backpressure的美式发音音标为：[bækp'reʃə]...