Step-wedge calibration film

无损检... ... Step wedge 阶梯楔块 Step-wedge calibration film 阶梯-楔块校准片 Step-wedge comparison film 阶梯-楔块比较片 ...

化工和机械英文字典 - - 中国氟塑料论坛 -... ... 阶梯块校准照片 step-wedge calibration film 阶梯线 stepped line ...