未退火的

例句：

1. 1.The steel was unannealed before it was used in the construction.
   在用于建筑之前，钢材未经退火处理。
2. 2.The unannealed metal is prone to corrosion.
   未经退火的金属容易腐蚀。
3. 3. The unannealed wire has a higher resistance than the annealed one.
   未经退火的电线比退火后的电线电阻高。