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outside single-point thread tool

英 [ˌaʊtˈsaɪd ˈsɪŋɡl pɔɪnt θred tuːl] 美 [ˌaʊtˈsaɪd ˈsɪŋɡl pɔɪnt θred tuːl]

单刃外螺纹刀具

机械

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