Material:EVA - inside,300D - outsideThe inside material is EVA and outside material is 300D and PVC重点就是300D - outside是什么意思?

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Material:EVA-inside,300D-outsideTheinsidematerialisEVAandoutsidematerialis300DandPVC重点就是300D-outside

Material:EVA - inside,300D - outsideThe inside material is EVA and outside material is 300D and PVC重点就是300D - outside是什么意思?
Material:EVA - inside,300D - outside
The inside material is EVA and outside material is 300D and PVC
重点就是300D - outside是什么意思?

Material:EVA - inside,300D - outsideThe inside material is EVA and outside material is 300D and PVC重点就是300D - outside是什么意思?
EVA 乙荃乙烯基醋酸盐
D 氘,重氢
PVA 聚氯乙烯
说的就是内外部材料各是什么

outside material 外部材料
300D 是一种材料吧?