But transport remains expensive and settlements themselves are often sunk in mud.
但运输成本仍然很昂贵，而且整个定居点往往被淹没在泥泞当中。
2
Sediment transport may not pump more water or mud. Flooding electric motor cavity should always clean up the sand, the replacement of electric water cavity.
电泵不得输送含沙量较多的水或泥浆。水浸电机应经常清理电机腔内的沙粒，更换电机腔内的清水。
3
The construction of transport vehicle dust, not because of mud attachingwheel lead, but often because posted on the body the soil dried up.