| |||
steel grade change operation | |||
| |||
grade change operation (In the grade change operation, the tundish containing the old grade of steel being cast is first emptied to a certain depth before pouring the new grade from the ladle. 变钢种操作时,在由钢包浇人下一炉异钢种钢水前,首先将盛有上一炉正在浇注钢种钢水的中间包排空到一定深度。) |
变钢种操作 : 2 phrases in 1 subject |
Metallurgy | 2 |