甲板漏水口-圆形甲板漏水口YA50 CB/T3885 Deck leak - round deck leak YA50 CB/T3885 船用甲板漏水口-热镀锌甲板漏水口YA65 CB/T3885 Marine deck leak - hot galvanized deck leak YA65 CB/T3885 扬州飞航船舶附件厂关于Y-圆形甲板漏水口像您做过简单介绍：
