spacing material
... space box 空铅盒 spacing material 衬隔材料 spanishing 凹纹印刷 ...
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根据危险货物的性质不同,应选用相应的铺垫、隔衬材料进行衬垫、遮盖和加固;
According to the different nature of dangerous goods, it should use the appropriate groundwork, lining material for every pad, cover, and reinforcement;
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