不可压缩流体的总流连续性方程Q=v·A适用于（）

连续性微分方程有哪几种形式？不可压缩流体的连续性微分方程说明了什么问题？

Project（71）is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

● Project（71）is an uncertain event or condition that, if it occurs, has a positive or a negative effect on at least one project objective, such as time, cost, scope, or quality.（71）

伯努利方程表示：在重力作用下理想不可压缩流体定常流动时，沿流线的单位质量流体的总机械能是（）的。

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

不可压缩流体恒定总流连续方程形式为（　　）。

方程ρvA=常数（ρ为流体的密度，v断面平均流速，A为总流的过流断面面积），成立的条件是（）

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

不可压缩理想流体稳定流动的伯努利方程建立了流体的（）。

不可压缩实际流体稳定流动的伯努利方程建立了流体的（）。