servo value的用法和樣例：
例句
- A novel piezoelectric type nozzle flapper hydroelectric servo valve was developed and its control method was researched.
摘要提出了一種新型壓電晶片型噴嘴擋板式電液伺服閥，并對其控制方法進(jìn)行了研究。 - This paper develops a direct-drive electrohydraulic servo valve of a completely new structure.
研制了一種全新結構的直接驅動(dòng)電液伺服閥。
