耐折 meaning in English

hard fold

Determination of paper board folding strength shawbel ' s
纸板耐折度的测定法
Mit paper and board - determination of folding endurance mit tester
纸和纸板耐折度的测定
Paper and board - determination of folding endurance mit tester
耐折度仪法
Paper determination of folding endurance schopper method
纸耐折度的测定
Paper and board - determination of folding endurance - mit method
纸张和纸板.耐折性的测定. mit法

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