四虎电影库房网站最新,日本jalapsikixix图片,久久亚洲A片COM人成A,性夜夜春夜夜爽A片欧美

材料簡介

Introduction

采用石英玻璃棒經(jīng)拉絲、烘干制得原絲，原絲不加捻合股而成。

Drying the quartz strands which drawn from quartz glass rod,then directly plying without twisting.