保温材料
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石墨玻纤盘根 | 卖方: 59887 | Square braided from E-glass fiber impregnated with graphite. Normal for valves. 212EG is fibergla... |
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保温材料 | 卖方: BEYOND & BROTHERS DEVELOPMENT CO., LIMITED | Foaming structure It has a completely closed bubble structure, which can preserve heat and isol... |
