自然界里的重力和水流也在神的掌管底下。
The natural laws of gravity and current are under His control!
在并行结构中（如图23）， 应当利用流入生物模块设备的重力污水水流。
In the side-by-side configuration (Figure 23), gravity wastewater flow to the Bio-Module unit is utilized.
挟沙水流中的泥沙颗粒因水流紊动而悬浮，同时受重力作用而下沉。
Sediment particles is suspended in the sediment-laden flow because of the flow turbulence, and settle down due to gravity action.
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