Orificemeter
锐孔流速计, 测流孔
🗣️ 情景例句
Oh, wait a minute. What's today's date?
噢， 等一等 ，今天几号？
She blushes for him.
听了他的话，她羞红了脸。
Well, goodbye then. Have you enjoyed your two years in China?
那么再见了。你在中国两年过得愉快吗？