Pre-Insulated 预绝缘端子 ; 绝缘类型
PRE-INSULATED ALUMINUM DUCT SYSTEM 具体介绍
Specification for Flexible Pre-insulated Piping 预绝缘软管规范
pre insulated
前绝缘
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Our company mainly produced the double skin pre-insulated PIR duct panel and accessories with fire resistance to grade B1 (GB Standard) and VOC free in China in 2002.
我公司主要产品是应用引进的流水线，生产难燃B1级，无味、无挥发有害气体的双面铝箔聚氨酯复合板。
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