GB/T 40324-2021无损检测大直径圆棒聚焦超声检测方法标准
英文:Non-destructive testing—Testing method for large diameter round bars by focused ultrasound GB/T 40324-2021介绍: 国家标准《无损...
英文:Non-destructive testing—Testing method for large diameter round bars by focused ultrasound GB/T 40324-2021介绍: 国家标准《无损...