又粗又长又硬爽死我了动态图

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石墨改性聚炳烯換熱器1

石墨改性聚炳烯換熱器1

添加日期：11-09-24

本設備為全塑、固定、管板、列管式換熱器，系用石墨改性聚丙烯塑料制成，殼體、管板、封頭、法蘭及接管徒增零部件均采用純聚丙烯塑料制成。..

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石墨改性聚炳烯換熱器2

石墨改性聚炳烯換熱器2

添加日期：11-09-24

本設備為全塑、固定、管板、列管式換熱器，系用石墨改性聚丙烯塑料制成，殼體、管板、封頭、法蘭及接管徒增零部件均采用純聚丙烯塑料制成。..

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又粗又长又硬爽死我了动态图
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