Zirtan
泽坦碳化锆烧结合金
🗣️ 情景例句
Four will be good.
4只应该够。
We are anxious to know how long it will take you to deliver the goods.
我们急于知道贵方多长时间能交货。
With this, he hurried off the stage.
他一边说着，一边匆匆下台。