国产区一区二区三,亚洲第一国产,99久久精品国产麻豆,亚洲视频一区网站,成人亚洲综合,秋霞午夜成人鲁丝片午夜精品,日本精品中文字幕,久久亚洲国产高清,国产精品第4页,亚洲av无码乱码在线观看性色扶

Details:
The lock floor overcomes the slit, warp and drum problems of most flooring produced in the process of change of temperature. In the process of paving, it is completely free of nail, free of glue, free of keel, directly laid on the ground. It saved a room height, can repeat tear open outfit to be used. And it is economical and practical. Compared with conventional floor, it saves installation cost for 20 yuan/s.q. The fastness, stability and durability of the lock are mainly determined by the chamfering area and Angle of the lock, the degree of processing, the toughness of the substrate and other factors. If the structure is reasonable, single lock is buckled enough to prevent the cracking of floor joint. Multiple locks in the chamfer area and Angle may not reach the desired indicators, such a result may be counterproductive.