rough-bed

coal bed and gas bed

ebullated bed ebullating bed

ebullated bed reactor ebullating bed reactor

ebullating bed reactor ebullated bed reactor

1-D band-limited Weierstrass fractal rough surface

1D exponential rough soil surface

2-D fractal rough surface

2-high rough mill

3-axis rough machining

3-D random rough surface

4-high rough mill

a Covering Generalized Rough Set

a rough diamond

aerodynamically rough surface

As-cast ferritic ductile iron threaded pipe fitting rough castings

Baotou rough iron concentrate of high intensity magnetic separation

Boolean Rough Set

casting rough

crude concentrate ore and then rough grinding