A fine sand is coated and fired upon a mounted pattern made of ferrous or aluminum material.
A fine sand is coated and fired upon a mounted pattern made of ferrous or aluminum material.
一颗好的细砂是由一块模板涂层并炮击后形成的，而这模板是由亚铁或者铝质材料制成。
A fine sand is coated and fired upon a mounted pattern made of ferrous or aluminum material.
一颗好的细砂是由一块模板涂层并炮击后形成的，而这模板是由亚铁或者铝质材料制成。