冷轧钢板和钢带的尺寸，外形，重量及允许偏差。

Dimension, shape, weight and tolerance for code - rolled steel plates and sheets.

youdao

冷轧钢板和钢带的尺寸，外形，重量及允许偏差。

Dimension, shape, weight and tolerance for code - rolled steel plates and sheets.

youdao