orifice锐: sharp; keen; acute孔: hole; opening; aperture锐孔,孔板: orifice锐孔板: orifice plate; plate orifice; sharp-edge orifice锐孔流出;锐孔流量: orifice discharge下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:锐孔,即可在微信中查询翻译