短語(yǔ)詞組短語(yǔ)orifice meter 孔板流量計(jì)；孔板量計(jì)orifice discharge 銳孔流量；銳孔流出equivalent orifice 等積孔;等值孔;等值孔口Double Orifice 雙重面罩;雙孔術(shù)nozzle orifice 噴口;噴嘴孔口;噴孔;噴槍通徑separation orifice [制冷][儀]分離孔板annular orifice 環(huán)形孔板;環(huán)形節(jié)流器control orifice 控制孔;調(diào)節(jié)孔板round orifice 圓孔orifice plate 孔板；擋板；節(jié)磷板；量孔板orifice size 噴嘴直徑；節(jié)流面積 返回 orifice