亚洲 欧美 变态 另类 综合_两个人看的www高清免费_久久久久人妻精品区一三寸_肉岳疯狂69式激情的高潮

玻纖(xian)(xian)增強(qiang)frpp板(ban)(ban)是在現有(you)ppr原材(cai)料當(dang)中添(tian)加玻璃纖(xian)(xian)維制造出來的(de)玻纖(xian)(xian)pp板(ban)(ban)，具有(you)強(qiang)度高，韌(ren)性大，硬(ying)度高，冬季沖(chong)擊性能(neng)較常規pp板(ban)(ban)有(you)所提升(sheng)，耐磨(mo)玻纖(xian)(xian)frpp板(ban)(ban)，玻纖(xian)(xian)GF50PP板(ban)(ban)，玻纖(xian)(xian)GF30pp板(ban)(ban)，現有(you)制作(zuo)工藝可分(fen)為(wei)GF30,玻纖(xian)(xian)添(tian)加量為(wei)30%，GF50玻纖(xian)(xian)添(tian)加量為(wei)50%，也可根據客戶要求更改(gai)填充(chong)數量。