15牌号重介质硅铁粉，雾化球形粉末，研磨粉末硅铁粉
<img src="https://img-i-album.toocle.com/view/2025/12/11/7a/693a41300507a.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/12/11/cd/693a413a949cd.png" style="max-width: 100%;"/>
