“背压”造句
料腿则起着对产生的相当大的
背压加压密封作用.
Diplegs play an important role as pressure seals against the considerable back pressure generated.
说明: 1, 汽轮机型式: B -
背压式汽轮机, C - 抽汽冷凝式汽轮机.
Notes: 1. Type of steam turbine: B - Backpressure turbine, C - Extraction condensation turbine.
有时也搁置增湿剂以调矮丝网的表
背压辛.
Sometimes use conditioning agents to improve screen surface tension.