圆管紊流光滑区的沿程损失系数λ（）。

圆管紊流粗糙区的沿程损失系数λ（）。

圆管紊流光滑区的沿程阻力系数λ与（）。

圆管有压流中紊流过渡区的沿程阻力系数λ与下述哪些因素有关？（）

圆管有压流中紊流光滑区的沿程阻力系数λ与下述哪些因素有关（）？

紊流光滑区的沿程损失hf，与平均流速ν的多少次方成正比？（）

由尼古拉兹实验，在紊流光滑区的沿程阻力系数λ（）。

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（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）

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

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.

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