milling test meaning in English

收缩度试验

Recommended practice for ball mill test for friability of abrasive grain
磨料颗粒易脆性的球磨机试验推荐实施规范
Testing of colouring materials in plastics ; testing of colouring materials in unplasticized polyvinyl chloride moulding compounds ; determination of thermal stability in the long - term milling test
塑料着色剂检验.无增塑聚氯乙烯模塑化合物着色剂检验