Nitrocarburizing
气体碳氮共渗; 渗碳氮化
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
I gave her my address and she gave me hers.
我把我的地址给她，她也把她的给了我。[九六广州初中会考]
I hope you have a good journey back to Guangzhou.
祝你回广州时一路顺风。