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Mechanics
containing
统一
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all forms
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in specified order only
Chinese
English
美国
统一
标准粗牙螺纹
unified coarse thread
统一
特细螺纹
unified extra fine thread
统一
细牙螺纹
unified fine thread
统一
螺纹
united screw thread
统一
螺纹标准
uniform thread standard
统一
部件装配
unified component assembly
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