when we reached the downstream end of the island and were about to get back into our inflatable rafts cho said, 「ed – look behind you」. i turned and saw five canoes paddling up to us.
while medium pressure and the upstream end of the resilient and flexible structures to increase the downstream end of the valve seat seal.
同时介质压力与上游端挠性结构的回弹力又增加了下游端阀座的密封。
it is also found that the stability of the discretized scheme is only dependent on the boundary condition at the downstream end of the computational region.