究竟平衡作用发生在铬铁矿和硅酸盐下沉之前,还是在其后?Did equilibration take place before or after setting of chromite and silicates?如果脱模剂发粘, 则减少硅酸盐.If the mold spray is sticky, reduce the silicate.硅酸盐矿物的特点是耐熔和难以分离.Silicate minerals are characteri...

“硅镁土”的英语可以翻译为：Attagel，Attapulgite （可湿性粉剂掺和剂） ...