double reinforced beam的意思|示意

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双筋梁

双筋梁 ... differ flange beam 不等翼[工字]梁,宽缘工字梁 double reinforced beam 双筋梁 fender beam 护[舷]木 ...

复筋梁复筋梁 double reinforced beam; double-reinforced beam 复筋丁字梁 t beam with double reinforcement; t-beam with double reinforcement .