end-caps英美(end-cap 的复数) [机] 管端盖板;后盖end-cap的复数机械双语例句This paper presents an acoustic structure model of free& flooded cylindrical transducer installed with holed end-caps.提出带孔盖板的自由液浸式环氧灌注的圆柱管形换能器声学结构模型。