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1/2 20unf螺纹底孔
"1/2 20unf螺纹底孔"...1/2 20unf螺纹底孔
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1/2unc螺纹底孔
"1/2unc螺纹底孔"...1/2unc螺纹底孔
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1/2—20螺纹底孔
"1/2—20螺纹底孔"...1/2—20螺纹底孔
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1-12unf螺纹底孔
"1-12unf螺纹底孔"...1-12unf螺纹底孔
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1/4-20unc螺纹底孔
"1/4-20unc螺纹底孔"...1/4-20unc螺纹底孔
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1-32unf螺纹底孔
"1-32unf螺纹底孔"...1-32unf螺纹底孔
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1/4-20unc-2b螺纹底孔
"1/4-20unc-2b螺纹底孔"...1/4-20unc-2b螺纹底孔
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螺纹孔m20*1.5底孔
"螺纹孔m20*1.5底孔"...螺纹孔m20*1.5底孔
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1/2nptf螺纹底孔
"1/2nptf螺纹底孔"...1/2nptf螺纹底孔
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1-1/16-12un-2b螺纹底孔尺寸
"1-1/16-12un-2b螺纹底孔尺寸"...1-1/16-12un-2b螺纹底孔尺寸