发布时间:2025-02-01 03:06:55
不锈钢螺栓 强度等级描述方法为A4-70/A4-50/A2-70/A2-50等等(其中A为奥氏体不锈钢材质螺栓,还有其他种类)。碳钢螺栓 强度等级描述为3.6、4.6、4.8、5.6、6.8、8.8、9.8、10.9、12.9等10余个等级的
我家的海尔冰箱坏了说是漏了得拉回去修要380元这个价合理吗海尔售后服务员说
2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55 2025-02-01 03:06:55