80 元券扩孔钨钢钢球硬质￥19190去看看百品仓工厂店的小店5发布了硬质钨钢合金球47.51/47.515/47.52/47.525/47.53mm扩孔挤孔钢球扩孔钢珠钨钢硬质合金￥18000去看看钢珠批发大全发布了YG6钨钢球硬质合金球47.53/47.535/47.54/47.545mm扩孔挤孔钢珠47.5147.5247.5347.54￥216.20去看看万发斋日用品的小店88发布了47.51 47.52 47.53 47.54 47.55 47.56 47.57 47.58 47.59塞/针规氟胶氟橡胶内径47.53￥0.90去看看英克密封件商行发布了氟橡胶 氟胶O型圈内径38.7*40*41.2*42.5*43.7*45*46.2*47.53.55
