heavy stringer

• 加强桁条

heavy stringer的用法和样例：

例句

1. Experiment results also reveal that stiffened thin-walled composite plate can bear greater load after buckling.And buckling mode change after stringer adhesive fails.
   试验还发现复合材料薄壁加筋板结构有较高的后屈曲承载能力，后屈曲过程中由于桁条脱胶会造成屈曲模态的变化。