Maraging
马氏体时效处理; 高强度热处理
🗣️ 情景例句
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。
Have you ever driven a BMW?
你有没有开过“宝马”？