Servovalve
[电] 伺服阀
🗣️ 情景例句
Merry Christmas, Carl and David!
卡尔，大卫，圣诞快乐！
Time past never returns, amoment lost, lost for ever.
过去的时间决不返回，浪费一点，永远消失。
No, I need to talk to the home office.
不，我得先跟总公司谈谈。