It is good raw materials to produce magnesia carbon bricks, high-class basic bricks and unshaped refractory materials.

是生产镁碳砖、高级碱性砖和不定型耐火材料的优良原料。

youdao

It is good raw materials to produce magnesia carbon bricks, high-class basic bricks and unshaped refractory materials.

是生产镁碳砖、高级碱性砖和不定型耐火材料的优良原料。

youdao