关注微信公众号查券更方便
精密C85S锰钢1.1269C100S1.12741.12311.1248棒1.50231.5024
现货1.12741.50221.5023弹簧钢高精度弹簧钢带弹簧钢片
1.5023弹簧钢带C85S高弹性1.12741.1248钢片1.1231软硬料1.5142
