发布时间:2025-01-19 17:13:36
以下为pvc软管配方,供参考:
聚氯乙烯树脂:100;
DBP:10;
环氧增塑剂:5;
硬脂酸钡/镉:1;
DOP:30;
己二酸二辛脂:5;
有机锡:1.5
木匠装修包活干了一半老板换人了之前拖欠的工资也没有给报警有用吗
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