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u形棱梁
meaning in Chinese
u girder
u-girder
Related Words
棱状
脊棱
缺棱
突棱
刺棱
半棱石
倒棱肩
多棱钢锭
棱形曲线
腰棱面
u形卡联结装置
u形块
u形连杆
u形链
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