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螺旋推撑器
meaning in Chinese
screw operated tensioning unit
Related Words
撑间距
六甲撑
撑木
撑螺距
主撑
蹲撑
钢板撑
轨道撑
撑环
撑上
螺旋凸缘
螺旋图样
螺旋推出机
螺旋推动器底壳
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