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...
...a problem that is coupled with lower demand for the machines themselves...这个问题外加上对机器本身需求量的下降For inductively coupled circuits, you must also consider the winding resistance of the inductor.对于电感耦合电路, 必须考虑电感的直流电阻.They co...