change water and reduce the content of F
raise the iron content and reduce the sulphur cont
raise the iron content and reduce the sulphur content
Reduce the development of myopic refractive power
Reduce the dislocation with hand
reduce the medical cost
reduce the pressure to saving electric
reduce the rate of Cardamine
reduce the rock-burst and eliminate hazards
Reduce the sick soldiers
reduce the switch frequency at light loads
Satisfies requests to reduce the cost
technology measures to reduce the falling
the method to reduce the clothing stocked
thinning to reduce the occupation
to balance the blast and reduce the flow resistance