PVA was palletized by extrusion and then blow-moulded into membrane.The prepared PVA membrane was studied within the specific range.是什么意思_PVA was palletized by extrusion and then blow-moulded into membrane.The prepared PVA membrane was studied within the specific range.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句