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伸缩式钢梁
meaning in English
retractable steel joist
Related Words
钢梁加固
伸缩管
伸缩刀
伸缩臂
可伸缩
伸缩鼓
伸缩装置
伸缩喇叭
伸缩计
伸缩编法
伸缩式副翼
伸缩式刚性梁
伸缩式钢铁梁
伸缩式高架梯
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