CHORD, a structural component of spars or frames.
翼弦，梁或框架的结构部件。
The tail fin is significant because it is a major structural component, whose failure has contributed to past crashes.
尾翼意义重大的原因在于它是一个主要的结构部件，过去许多坠机事件都与尾翼失灵有关。
Design principle of Obturation mechanism in high pressure is to avoid structural component from plastic deformation.
高膛压闭气机构的设计原则是避免构件发生塑性变形。
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