Malleablizing
韧铁退火, 脱碳
🗣️ 情景例句
Do you remember when Daddy and I used to take you
你还记得爸爸和我常带你
One of the real pluses of this product is that it is of very high quality and of compact size.
这种产品的真正优点之一就是高质量和小体积。
Historians have long been puzzled by dots, lines and symbols which have been engraved on walls, bones, and the ivory tusks of mammoths.
长期以来，历史学家一直对雕刻在墙壁上、骨头上、古代长毛象的象牙上的点、线和形形色色的符号感到困惑不解。