Cold and hot water pipe的意思|示意
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冷热水管
Cold and hot water pipe的网络常见释义
冷热水管 ...词：PPR(无规共聚聚丙烯);冷热水管;空气能热泵热水器 [gap=385]Key words：PPR (polypropylene random);cold and hot water pipe;heat pump water heater ...