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螺纹观察窗
meaning in Chinese
threaded window
three angular array
Related Words
螺纹磨削
生长螺纹
螺纹滚
旋转螺纹
粗螺纹
暗螺纹
螺纹结构
螺纹深度
负螺纹
尽头螺纹
螺纹沟槽管
螺纹谷
螺纹管
螺纹管,波纹管
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