jet-pipe英d'ʒetp'aɪp美d'ʒetp'aɪpBNC²³⁶²¹³⁺¹ 基本例句 n.尾喷管¹⁰⁰ In order to improve the capability of jet-pipe servo- valves, it is important to study the rule of caused self- sustained oscillation inside the jet field. 因此，为了改善伺服阀的性能，对射流流场中的自激振荡规律进行研究是至关重要的。 fabiao