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PVC排水管件是以聚氯乙烯(PVC)樹脂為主要原料,加入適量的穩(wěn)定劑、潤(rùn)滑劑、填充劑、增色劑等經(jīng)充分混合后注塑成型,通過(guò)加熱、擠出、定型、冷卻、脫模、修剪、檢驗(yàn)、包裝等多道工序以完成管件的生產(chǎn)。
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