The dynamic parameters of biological phosphorus removal were compared under the conditions with or without elec.
在有无外加电场的情况下，对生物除磷的动力学参数进行了比较。
2
The movement of the elec '.
电子的运动产生了电流。
3
Analyses and syntheses of the overall design scheme of the draughter are carried out with the whole mach-elec designing method and the optimal result is obtained.