The supply source of silicon power is rare, but it may be re-placed with super-fine kaolin clay.

硅粉货源有限，可用高活性偏高岭土超细粉代替。

youdao

The supply source of silicon power is rare, but it may be re-placed with super-fine kaolin clay.

硅粉货源有限，可用高活性偏高岭土超细粉代替。

youdao