该法主要用于加工不规则形状，像球鼻艏。
大型船只在吃水线下的部位，从前体纵剖线伸出一个球鼻形船首。
The bow protrudes from the bowline of large ships just below the waterline.
作为船体中比较特殊的双曲结构，舰船首部的球鼻首相关的结构试验规范很少。
Three structure tests on bulbous bow of naval ships were conducted:static compressive test, heavy drop test and explosion test.
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