To regulate revolvingspeed of fan is capable of saving energy markedly.
风机调速运行，节能效果是显著的。
2
During the working of paper cutting machine, both the speed of drawing paper and the revolvingspeed of cutter decide the length of paper.
在切纸机工作过程中，纸辊的拉纸速度和刀辊的旋转速度共同决定了切下纸张的长度。
3
The experiment result indicated that the number of weeding tines and revolvingspeed of the comb disc had significantly effect on the performances of the weeding unit.