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销式针规光滑塞pin规27.59;27.60;27.61;27.62;27.63;27.64;27.65
针规高精度塞规27.58 27.59 27.6 27.61 27.62 27.63 27.64mm
硬质钨钢球合金球27.605/27.61/27.615/27.62/27.625/27.63mm钢珠
塞规精密价优±0.001轴承钢
精密针规销式塞规27.61/27.62/27.63/27.64/27.65/27.66/-27.69MM
销式针规塞规高精27.61/27.62/27.63/27.64/27.65/27.66/27.67MM
深立工针规塞规量棒棒规销规27.6
