针状硅灰石超细粉
Needle-shaped wollastonite powder
高细石灰石粉
high fineness lime stone powder
超细粉石墨
ultrafine graphite powder
金刚石超细粉
ultrafine powder of diamond
黑石灰石粉
grey-black limestone powder
气喷旋冲湿式石灰石-石膏法
technology of swirl jet tower
石灰石/石膏湿法
limestone-gypsum wet method