n.石膏
The gypsum slurry is pumped into a diked area.
我们用泵将石膏料浆打到一块用堤围起来的空地中.
Thickeners were introduced for separating the acid and gypsum.
用稠厚器来分离酸和石膏.
Gypsum may crystallize on the surface of the phosphate rock particles.
石膏会在磷矿颗粒的表面上结晶.