While disposable cups are made predominantly of cardboard (about 95% by weight), they also contain about 5% polyethylene in the form of a thin coating inside the cup.
便携杯子虽主要由硬纸板构成(重量占比达到约95%),但还是包含了约5%的聚乙烯(polyethylene)以很薄的涂层形式附着在杯子内侧。
All the cartons are lined with shockproof corrugated cardboard and are wrapped up with damp proof polyethylene sheets.
所有纸箱都内衬防震波状硬纸壳,外用防潮塑料纸包裹。
All the cartons are lined with shockproof corrugated cardboard and are wrapped up with damp proof polyethylene sheets.
所有纸箱都内衬防震波状硬纸壳,外用防潮塑料纸包裹。
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