久久精品a国产亚洲v高清不卡_日韩无码一本AV_手机毛片在线_成人精品一区二区推荐_亚洲精选一区国产_欧美精品在线视频观看_美女午夜精品视频_日韩午夜成人影院_亚洲不卡永远在线_亚洲色诱一区二区

The width of the frame is 70mm, and the thickness of the section is 2.0mm.
The border connection is connected by 90 degrees of tenon and mortise.
You can do single open fan + fixed, double open fan, double open fan + double fixed and many other ways.
Glass notch (non pressure line) single glass width 12mm, hollow notch width 23mm;
The width of the narrow door fan is 30mm, and it is economical and practical.
0.9m x 2.2m standard gate per square consumable 6.176g;