例句 /

The course of development of EPDM composite coloured shingle is described with focus on its main materials and self-stick layer.

The course of development of EPDM composite coloured shingle is described with focus on its main materials and self-stick layer.

本文介绍了EPDM复合彩瓦的研制过程,并对其中的主体材料和自粘层作了详细的论述。