Servomechamism
[电] 伺服机构
🗣️ 情景例句
Bye.
再见。
Do you have anything to declare?
你有东西要申报关税吗？
Pippa. I called to ask you if you'd like to come to a lecture on Thursday evening at the college.
皮普，我打电话是问你是否想听周四晚上在学院的一个讲座。