柱( pillar的名词复数 )；台柱；顶梁柱；核心；

1. 车门立柱：⑵ 车门嵌入板: Insert panels | ⑶ 车门立柱: Pillars | ⑷ 遮阳板:Sun visors

2. 栋梁;支柱：Draughting----牵引;制图室;绘图室 | Pillars----栋梁;支柱 | Box cutting----开挖槽

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3. 栋梁椽柱：the flames rose up in a mass. 其炎俱炽 | Ridgepoles, beams, rafters, pillars栋梁椽柱 | exploded with a roar, quivering, splitting, 爆声震裂