常見(jiàn)例句An experimental investigation was made of the pressure drop ratio characteristics of oil-removing cyclones in a room bedstand.在室內(nèi)試驗(yàn)裝置上對(duì)單錐除油型水力旋流器的壓降比特性進(jìn)行了試驗(yàn)研究。 返回 cyclones