For the use of asphalt as a waterproofing roofing material, to be used in contact with stainless steel film.

对于采用沥青作为防水的屋面，可采用不锈钢的接触片。

youdao

For the use of asphalt as a waterproofing roofing material, to be used in contact with stainless steel film.

对于采用沥青作为防水的屋面，可采用不锈钢的接触片。

youdao