Read Edit View history 筒阀 tǒngfá sleeve valve Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 筒阀/筒閥 · tǒngfá · sleeve valve 2026/03/04 筒阀 / 筒閥 tǒngfá sleeve valve a sleeve valve 这种发动机采用了先进的筒阀设计。 created sense Mar 4, 2026, 02:25 AM