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)(xian)增強frpp板是(shi)在(zai)現有ppr原材料當中添加玻璃纖(xian)(xian)(xian)維(wei)制(zhi)造出來的玻纖(xian)(xian)(xian)pp板，具有強度高，韌性大，硬度高，冬季(ji)沖(chong)擊性能較常規(gui)pp板有所提升，耐(nai)磨玻纖(xian)(xian)(xian)frpp板，玻纖(xian)(xian)(xian)GF50PP板，玻纖(xian)(xian)(xian)GF30pp板，現有制(zhi)作(zuo)工藝(yi)可(ke)分為GF30,玻纖(xian)(xian)(xian)添加量(liang)(liang)為30%，GF50玻纖(xian)(xian)(xian)添加量(liang)(liang)為50%，也可(ke)根據客戶要求更改填(tian)充數量(liang)(liang)。