valve-based編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看valve-basedvalve-based — 形容詞形容詞1. Using or relating to electronic valves (vacuum tubes).1.形容詞釋義真空管式Using or relating to electronic valves (vacuum tubes).例句This guitar amplifier is valve-based and produces a warm sound.