Servovalve
[电] 伺服阀
🗣️ 情景例句
No sweat! I'd be happy to help.
没什么！很高兴我能帮上忙。
Are you crazy?
你疯了吗？
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。