Carbusintering
渗碳烧结
🗣️ 情景例句
Just a minute. Here's your receipt.
请等一下。这是你的收据。
I think you probably know China has adopted a flexible policy in her foreign trade.
我想你也许已经了解到中国在对外贸易中采取了灵活的政策。
Oh,there's someone at the door.
噢，门口有人！