As the improvement, the material loading plate is provided with a through hole.
作为改进，在载料板上开有通孔。
It replaces manpower material loading way successfully, and avoids direct touch between operators and material effectively.
成功地替代了人工上料方式，有效避免了操作者与物料的直接接触。
In the 2st part, the principles of converter gradient control, oxygen lance control, material loading control and dust exhaust control are described.
第二部分论述了转炉炼钢中转炉倾动控制、氧枪控制、上料控制及除尘控制的原理。
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