依据此模型对下行床恒速段流动结构进行了计算并进行了讨论。

Based on this model, the flow structure in constant velocity section of downer was calculated, and discussed.

youdao

依据此模型对下行床恒速段流动结构进行了计算并进行了讨论。

Based on this model, the flow structure in constant velocity section of downer was calculated, and discussed.

youdao