So it is de-sired to measure and choose such material in advance according to the purpose of application.

因此很希望在使用前根据要求对材料进行测试，挑选。

youdao

So it is de-sired to measure and choose such material in advance according to the purpose of application.

因此很希望在使用前根据要求对材料进行测试，挑选。

youdao