Orificemeter
锐孔流速计, 测流孔
🗣️ 情景例句
Michelle's the right age. Michelle
正处于成长的年龄。
We used to have a lot of fun when we were that age.
当我们是变老时，我们过去常有很多趣事。
My employer will confirm that I was there on time.'
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