zhè / zhǒng / guǎn / dào / tōng / cháng / yòng / jù / lǜ / yǐ / xī / zhì / chéng / nài / fǔ / shí / ér / qiě / jià / gé / pián / yi

这种管道通常用聚氯乙烯制成，耐腐蚀而且价格便宜。

This type of pipe is usually made of PVC because it is corrosion-resistant and inexpensive.