The next two segments in the setup phase define the static ground body and the dynamic sphere body.
设置阶段的下两个部分是定义静态的地面和动态的球体。
2
When a fault occurs on one phase of a 3-phase, 4-wire system, the other two phases rise in voltage relative to ground (about 20%).
当故障发生在3相4线系统中的一相时,其它两相的对地电压就升高(约升高20%)。 好评(0)
3
The two-phase optimization theory was adopted for designing the sewage pipe, and the ground slope consensus method was used for optimization calculation of rain water pipe.