利用率
4.2. The produce is easy to purify, has high quality, high utilization ratio of raw material and energy.
5.When (NH2)2CO fertilizer or NH4+-N fertilizer was applied in moist soil, the NUR is high, the average values are 25.94% and 22.72% respectively.
9.-- Efforts will also be made to raise the utilization rate of resources and reduce the loss of grain.
10.Research on dynamic optimized system of increasing constantly the TBM boring operation rate


