Servopump
[化] 伺服泵
🗣️ 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高兴见到你。 久仰， 久仰。
It is an equal failing to trust everybody and trust nobody.
信任任何人和不信任任何人，同样是缺点。
The comparable speed from the Moon is only 1.5 miles per second.
而从月球出发的相应速度只是每秒1。5英里。