Vibrofeeder
振动进给器
🗣️ 情景例句
He's not faithful to his wife.
他对他的妻子不忠。
How many bottles are you going to buy?
你要买几瓶？
they aroused great interest at the time, they had important theoretical consequences,
这些观察在当时引起了人们极大的兴趣，具有重要的理论意义，