1051 and 1053 are made of PVC as a raw material, together with plastifier and stabilizer, processed by mixing extruding.是什么意思_1051 and 1053 are made of PVC as a raw material, together with plastifier and stabilizer, processed by mixing extruding.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句