Test samples required Pilling rating endoscopy, bollards, or similar box with the ball with the standard picture comparison rating.
测试样需用起球评级视镜、灯箱或类似箱内与标准起球图片比较评级。
Test samples required Pilling rating endoscopy, bollards, or similar box with the ball with the standard picture comparison rating.
测试样需用起球评级视镜、灯箱或类似箱内与标准起球图片比较评级。
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