Forepump
前置真空泵, 预抽真空泵
🗣️ 情景例句
I hope you have a wonderful time
希望你们玩得开心
Would you like to leave your name and number?
你想要留下你的名字和电话吗？
it can become a 'flying fruit-bowl', carrying bananas from the plantations to the ports;
它能成为飞行水果盘子，把香蕉从种植园运到港口。