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现货供应 Roscom PVC 603F |
中沙(天津)石化 PP EP300H |
日本东丽 PA66 CM1011G45 |
VICTREX PEEK 600PF 物性表 |
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ExxonMobil AES PP1222F 物性表 |
LNP pc Stat-Kon DSL229物性表 |
PP-日本宇部-CJ938-5 |
ABS-上海锦湖-740 |