lever valve的用法和樣例：
例句
- Lever and weight mounted to assist the disc in closing.
安裝槓桿和壓鐵有助於閥瓣的關閉。 - The valve is driven directly by a large strake multilayer piezoelectric stack, its displacement actuates the power cascade spool after amplification by a lever mechanism.
該閥採用大行程的壓電疊堆作為驅動元件，經槓桿放大后的位移直接驅動功率級滑閥。
