If no other differences can be seen between resins, try testing the elongational viscosity.

如果看不出两种树脂间存在别的差别，那就测试一下它们的拉伸黏度。

youdao

If no other differences can be seen between resins, try testing the elongational viscosity.

如果看不出两种树脂间存在别的差别，那就测试一下它们的拉伸黏度。

youdao