Abrasimeter
耐磨试验仪
🗣️ 情景例句
Yes, we are, Mr. Wang. How are you going to pay?
对，我们开门。你打算如何付钱？
I've got my hands full.
我手头正忙。
They will be coming by train and most of the young people in the town will be meeting them at the station.
他们将乘火车来，镇上的大部分青年人将到车站迎接他们。