Only need to input the MD and CD command two simple English.

需要输入的只有MD和CD这样两个简单的英文命令。

youdao

The results indicate that the difference of fracture toughness between MD and CD increases with a decrease in jet_wire speed ratio, and the main reason is stronger fibre orientation.

试验结果表明：减小浆网速比， 增强了纤维定向作用，裂缝纵向分布增加，导致纸张中纵横向断裂韧性差异增加。

youdao