熟女无套高潮内谢视频韩国,女人荫蒂全部过潮喷,老熟妇仑乱视频一区二,蜜芽忘忧草三区老狼大豆

    與傳統(tǒng)瓦楞紙箱比擬蜂窩紙板箱機(jī)器機(jī)能更好經(jīng)損壞性跌落、重物碼垛、實(shí)裝轉(zhuǎn)動等試驗(yàn)標(biāo)明蜂窩紙板包裝箱內(nèi)裝易碎物品破壞率比瓦楞紙箱下降50%~97%;空箱上放置600公斤重物試壓三月也變形而且無需聚苯乙烯襯墊;與同規(guī)格瓦楞紙箱分量比2:5節(jié)儉紙板60%種紙箱推廣利用下降商品流暢進(jìn)程破壞率進(jìn)步包裝產(chǎn)物德量起踴躍感化特殊對代價較高玉器雕琢品、工藝品等蜂窩紙箱好抉擇

Compared with traditional corrugated cartons, the mechanical properties of Honeycomb cartons are better. Experiments such as destructive fall, heavy weight stacking, and actual rolling show that the damage rate of fragile articles in Honeycomb cartons is 50 % to 97 % lower than that of corrugated cartons. The empty box placed 600 kilograms of heavy weights for trial pressure was also deformed in March and did not require polystyrene liners; The weight ratio of corrugated cartons with the same specifications 2:5 saves cardboard 60 % of kinds of cartons. Promotion and application to reduce the damage rate of commodity flow process and improve the quality of packaging products plays a positive role, especially for Honeycomb cartons such as high-value jade carvings and handicrafts.