Fractory
中铝粘土质耐火材料
🗣️ 情景例句
But when do they do it?
但是什么时候动手术？
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。