中文字幕人妻久久一区-三上悠亚在线资源观看-久久精品视频国产蜜臀-国产精品亚洲av无人区二麻豆

1.Upgrade the kicker type to lead edge feeder type,ensure that both thick or thin board can be processed,solving the problem that the thin board is hard to be processed.

2. Change the original troublesome lead edge feeder,which is bad,oblique or instable feeding with low speed.

3.Upgrade the ordinary type to Light Press type,lightening the board breakage problem,like thinner,lenz collapse.