广东境内水域较多且水系复杂,水中来往船舶多,并且种类复杂,航行的船只经常会对水中尸体或者活体造成各种损伤,尤其是螺旋桨造成的损伤最为常见。由于螺旋桨损伤经常造成肢体断离,特别容易与人为碎尸造成的损伤混淆,导致工作失误。笔者通过收集相关案例研究,回顾性探讨两种不同损伤的特点,为工作提供参考: In Guangdong, there are many waters with complicated water systems, many ships are in and out of water, and vessels of various types and navigation often cause various damages to bodies or living bodies in water. In particular, damage caused by propellers is most common. As propeller damage often causes limbs to break away, it is particularly confusing to the damage caused by artificial debris, leading to mistakes in work. By collecting relevant case studies, the author retrospectively discusses the characteristics of two different types of injuries and provides reference for their work: