n.可变孔径多孔塔盘 perforated plate: 穿孔板; 带孔板; 多孔板;(绞肉机); 蜂窝板perforated-plate: 多孔板variable orifice: 可变节流孔; 可变孔板orifice plate: 挡板; 节磷板; 孔口测流板; 量孔板; 喷孔板; 锐孔板plate orifice: 盘形孔板; 锐孔板下载手机词典可随时随地查词查翻译