基本解釋環(huán)形節(jié)流器詞組短語短語annular r orifice 環(huán)形孔板annular orifice dashpot 環(huán)形孔阻尼延遲器liquid annular orifice dashpot 環(huán)形節(jié)流孔陰尼延遲器annular orifice更多詞組專業(yè)釋義能源科學(xué)技術(shù)環(huán)形孔板