Hole diameter of the sieve trays in the distillation column ranges from ______________ mm?
A. 1 to3
B. 4 to 8
C. 3 to 12.5
D. 12.5 to 18.5
A. 1 to3
B. 4 to 8
C. 3 to 12.5
D. 12.5 to 18.5