柔性护面 meaning in English

flexible apron

The result is basically agreed with the calculations and can verified the theory for the stability of earth - rock dams under flood discharge , in the second part of this paper , several kinds of slope - protection materials are studied . according to the material property , a type of new flexible slope - protection material applied to overflow earth - rock dams - rubber panel armoring - is presented
为了研究高土石坝在大单宽流量下的稳定性，本文第二部分主要对几种不同的土石坝护面材料进行了探讨，根据材料的特性和各自的受力特点，提出选用一种新型的柔性护面材料?橡胶板作为土石坝的防护材料。