针规塞规27.71/27.72/27.73/27.74/27.75/27.76/27.77/27.78/.79

针规高精度塞规27.72 27.73 27.74 27.75 27.76 27.77 27.78mm

针规高精度塞规27.72 27.73 27.74 27.75 27.76 27.77 27.78mm

针规塞规量棒27.7 27.71 27.72 27.73 27.74 27.75 27.76 27.77

销式针规塞规高精27.71/27.72/27.73/27.74/27.75/27.76/27.77MM

硬质钨钢球合金球27.725/27.73/27.735/27.74/27.745/27.75mm钢珠

精密针规销式塞规27.71/27.72/27.73/27.74/27.75/27.76/-27.79MM

塞规精密价优轴承钢±0.001mm

深立工针规塞规量棒棒规销规27.7

27.73g新疆和田玉籽料原石白玉籽料1枚如图库存旧藏文玩艺术收藏