緩かん衝しょう弁べんMeanings1nouncushion valveA valve used in hydraulic or pneumatic systems to absorb shock and reduce impact, often found in heavy machinery.油ゆ圧あつシリンダーには緩かん衝しょう弁べんが組くみ込こまれている。A cushion valve is built into the hydraulic cylinder.
