Malcomising
不锈钢表面氮化; 氮化热处理
🗣️ 情景例句
Tomorrow night we'll be camping out in tents.
明天晚上我们将露宿在帐蓬里。
How often did I tell you to take your time?
我告诉你多少次要慢慢来?
It is eight o'clock.The children go to school by car every day, but today, they are going to school on foot.
现在是8点钟。孩子们每天都乘小汽车去上学，而今天，他们正步行上学。