当前分类 矿用聚乙烯复合管 的同级分类如下，请查看
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| 类别名称：矿用聚乙烯复合管 |
| 摘要：高压聚乙烯管 矿用聚乙烯管 聚乙烯耐磨管道 |
select id,productname,image,descriptions,prodsortid from plproduct where userid='sunday912' AND productsortids='2558639' AND (class>-1 or class=-3 or class=-1000 or class=-1001) and yzt2 in (2,3) order by xuhao asc limit 0,10===0
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