Poly iâm-hoà vinyl
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Poly iâm-hoà vinyl (Ji̍t-pún-gí: ポリ塩化ビニル), kám-chheng PVC, sī 1 khoán iú-ki ko-hun-chú châi-liāu.
Poly iâm-hoà vinyl (Ji̍t-pún-gí: ポリ塩化ビニル), kám-chheng PVC, sī 1 khoán iú-ki ko-hun-chú châi-liāu.