发布时间:2025-02-06 10:48:02
其实就是外径为1m的高密度聚乙烯管。
因为再加工过程中可能存在一定的偏差,实际外径为957mm,78.5mm是管壁厚度。
长江春风水冷空调是全国唯一按照家用电空调标准生产制造的高档水空调
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