硬质钨钢合金球39.485/39.49/39.495/39.5/39.505mm扩孔挤孔钢球

硬质钨钢合金球39.485/39.49/39.495/39.5/39.505mm扩孔挤孔钢球

丁腈橡胶优质骨架油封密封圈

硬质钨钢球合金球39.485/39.49/39.495/39.5/39.505/39.51mm钢珠

纯天然俄料瓷白花蜡龙牌39.49克蜡质浓郁饱满雕工精湛全品无暇疵

新品39.41 39.42 39.43 39.44 39.45 39.46 39.47 39.48 39.49塞/

速发39.41 39.42 39.43 39.44 39.45 39.46 39.47 39.48 39.49塞/