衍架的英文

girder

• 衍:    spread out; develo ...
• 架:    frame; rack; shelf ...
• 次衍架:    jack truss

例句与用法

1. M - type pneumatic riveting hammer is mainly used for hot working of metal construction in bridge truss , mine car , and it is also used for other working place in which impact energy is to be required
   型系列风动铆钉机主要用于金属结构的热铆接工作，如桥梁、衍架、矿车等铆接工作，也可用于其它需要冲击能量的工作场合。