rib stiffener

• 加劲肋

rib stiffener的用法和样例：

例句

1. Some crack extension probably developed from the unfused section of the butt weld across the thickness of the stiffener during transport and erection.
   有些裂纹可能在运输和安装过程中就从加劲肋对接焊未熔透处开始发展。