人体在水中接触高速旋转的螺旋浆时 ,常会造成不同程度的损害 ,甚至死亡。而螺旋浆所致的损伤与锐器相似 ,能否准确地推断致伤物 ,对案件的定性意义非常重大。笔者现将一例典型的螺旋浆损伤报告如下。　　 1　案例吴某 ,女 ,37岁 ,2 0 0 0年 1 1月 2日不慎被一水泥船撞下河中。 Human body in water contact with high-speed rotating propeller, often resulting in varying degrees of damage, or even death. The damage caused by propeller and sharps similar to accurately infer the injury, the qualitative significance of the case is very significant. The author will now report a typical example of propeller damage is as follows. Case 1 Wu, female, 37 years old, January 2, 2000 Inadvertently was hit by a cement ship in the river.