Ionitriding
离子氮化
🗣️ 情景例句
Did you bring any savings or salary information?
你是否带来储蓄和薪资的相关资料？
Track 4 at 9:30.
9点30分，4轨道的车。
'Do you always catch such an early train?' asked the inspector.
“您总是赶这样早的火车？”探长问。